CHEVROLETBig Block V8
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Parts IndexParts Combination Guide uses 8 typical performance levels from mild to wild. Choose your performance level based on your driving habits, normal rpm range, or the horsepower that you require. If you aren't sure which range to use, be conservative. If you choose too high an rpm range it will rarely be used and you will be disappointed but an rpm range that is lower than you need will still be used. Each performance level suggests the range of camshaft, carb size, compression ratio, header size, ignition, and gear ratios that will work together the best for that performance level. Continue to the parts lists to find the parts that fit your level.Camshaft and lifter kits. Valve Train includes pushrod sets, rocker arm sets, timing sets, valve spring sets, valves, and everything for assembling your heads. Engine Bottom End includes engine overhaul kits, oil pumps, piston sets, ring sets, and misc. parts for assembling your short block. Gaskets includes full gasket sets, header gaskets, intake manifold gaskets, timing cover gasket sets, and more. |
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages 
Accelerated Motion
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Parts Combination GuideParts that do not match stock specs are intended only for vehicles that do not require pollution controls.
Torque and City Car (idle to 3600 rpm, max. HP @ 4600 rpm)
Good fuel economy, light to medium towing and improved low-end for
city use. Recalibrate stock carb. No other internal engine
modifications required.
Engine: Cam Range*
366 w/1.840 up to 19833
366 w/1.940 up to 19733
396 Oval Port up to 19803
396 Rect Port up to 19683
402 Oval Port up to 19843
402 Rect.Port up to 19723
427 Trk 1.84 up to 20240
427 Trk 1.94 up to 20140
427 Oval Port up to 20010
427 Rect.Port up to 19890
454 Trk 1.84 up to 20420
454 Oval Port up to 20190
454 Rect Port up to 20070
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 9.0:1 or less, Propane 10.5:1 or less
Exhaust: Stock or dual exhaust
Fuel Inj.: Should work with factory EFI computers
Gear Ratio: 3.7:1 and lower (numerically)
Idle: 600 rpm or less
Ignition: Recurved distributor and electronic ignition
RV and Commuter (1000 rpm to 4000 rpm, max. HP @ 5000 rpm)
Good fuel economy, medium towing and improved mid-range performance
for every day use. No internal engine modifications are required.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 19833 to 20633 539 to 674 cfm Max. 293 HP
366 w/1.940 19733 to 20533 539 to 674 cfm Max. 293 HP
396 Oval Port 19803 to 20603 583 to 729 cfm Max. 317 HP
396 Rect Port 19683 to 20483 583 to 729 cfm Max. 317 HP
402 Oval Port 19843 to 20643 592 to 740 cfm Max. 322 HP
402 Rect.Port 19723 to 20523 592 to 740 cfm Max. 322 HP
427 Trk 1.84 20240 to 21040 629 to 786 cfm Max. 342 HP
427 Trk 1.94 20140 to 20940 629 to 786 cfm Max. 342 HP
427 Oval Port 20010 to 20810 629 to 786 cfm Max. 342 HP
427 Rect.Port 19890 to 20690 629 to 786 cfm Max. 342 HP
454 Trk 1.84 20420 to 21220 668 to 836 cfm Max. 363 HP
454 Oval Port 20190 to 20990 668 to 836 cfm Max. 363 HP
454 Rect Port 20070 to 20870 668 to 836 cfm Max. 363 HP
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 9.5:1 or less, Propane 11.0:1 or less
Exhaust: Stock, dual exhaust, or small tube headers
Fuel Inj.: Factory EFI computers might require modification
Gear Ratio: 3.9:1 or lower (numerically)
Idle: 650 rpm or less
Ignition: Recurved distributor and electronic ignition
Mild Performance (1400 rpm to 4400 rpm, max. HP @ 5400 rpm)
Fair idle, moderate fuel economy, improved mid-range performance
and enough torque for medium/heavy towing. Nice for ski boat.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 20633 to 21433 606 to 750 cfm Max. 329 HP
366 w/1.940 20533 to 21333 606 to 750 cfm Max. 329 HP
396 Oval Port 20603 to 21403 656 to 811 cfm Max. 356 HP
396 Rect Port 20483 to 21283 656 to 811 cfm Max. 356 HP
402 Oval Port 20643 to 21443 666 to 823 cfm Max. 362 HP
402 Rect.Port 20523 to 21323 666 to 823 cfm Max. 362 HP
427 Trk 1.84 21040 to 21840 707 to 875 cfm Max. 384 HP
427 Trk 1.94 20940 to 21740 707 to 875 cfm Max. 384 HP
427 Oval Port 20810 to 21610 707 to 875 cfm Max. 384 HP
427 Rect.Port 20690 to 21490 707 to 875 cfm Max. 384 HP
454 Trk 1.84 21220 to 22020 752 to 930 cfm Max. 409 HP
454 Oval Port 20990 to 21790 752 to 930 cfm Max. 409 HP
454 Rect.Port 20870 to 21670 752 to 930 cfm Max. 409 HP
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 8.5:1 to 10.0:1, Propane 10.0:1 to 11.5:1
Exhaust: Stock dual exhaust or small tube headers
Fuel Inj.: Factory EFI computers will require modification
Gear Ratio: 3.1:1 to 4.1:1
Idle: 700 rpm or less, slight lope
Ignition: Recurved distributor and electronic ignition
Performance (1800 rpm to 4800 rpm, max. HP @ 5800 rpm)
Good upper mid-range performance.
Works well for medium and heavy towing with low (high numerically) gears.
Good for jet boat and skiing. Biggest for I/O boat.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 21433 to 22233 675 to 827 cfm Max. 366 HP
366 w/1.940 21333 to 22133 675 to 827 cfm Max. 366 HP
396 Oval Port 21403 to 22203 731 to 894 cfm Max. 396 HP
396 Rect Port 21283 to 22083 731 to 894 cfm Max. 396 HP
402 Oval Port 21443 to 22243 742 to 908 cfm Max. 402 HP
402 Rect.Port 21323 to 22123 742 to 908 cfm Max. 402 HP
427 Trk 1.84 21840 to 22640 788 to 964 cfm Max. 427 HP
427 Trk 1.94 21740 to 22540 788 to 964 cfm Max. 427 HP
427 Oval Port 21610 to 22410 788 to 964 cfm Max. 427 HP
427 Rect.Port 21490 to 22290 788 to 964 cfm Max. 427 HP
454 Trk 1.84 22020 to 22820 838 to 1025 cfm Max. 454 HP
454 Oval Port 21790 to 22590 838 to 1025 cfm Max. 454 HP
454 Rect.Port 21670 to 22470 838 to 1025 cfm Max. 454 HP
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 9.0:1 to 10.5:1, Propane 10.5:1 to 12.0:1
Exhaust: Dual exhaust, headers are recommended
Fuel Inj.: Performance EFI system recommended
Gear Ratio: 3.3:1 to 4.3:1
Idle: 750 rpm or less, small lope
Ignition: Recurved or perf. distributor, electronic ignition
Hot Performance (2200 rpm to 5200 rpm, max. HP @ 6200 rpm)
Strong upper rpm performance. Not for towing.
Good in jet boat with A impeller. Biggest for skiing.
Multi-angle valve grind is recommended.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 22233 to 23033 747 to 904 cfm Max. 403 HP
366 w/1.940 22133 to 22933 747 to 904 cfm Max. 403 HP
396 Oval Port 22203 to 23003 808 to 978 cfm Max. 436 HP
396 Rect Port 22083 to 22883 808 to 978 cfm Max. 436 HP
402 Oval Port 22243 to 23043 820 to 993 cfm Max. 442 HP
402 Rect Port 22123 to 22923 820 to 993 cfm Max. 442 HP
427 Trk 1.84 22640 to 23440 871 to 1055 cfm Max. 470 HP
427 Trk 1.94 22540 to 23340 871 to 1055 cfm Max. 470 HP
427 Oval Port 22410 to 23210 871 to 1055 cfm Max. 470 HP
427 Rect.Port 22290 to 23090 871 to 1055 cfm Max. 470 HP
454 Trk 1.84 22820 to 23620 926 to 1121 cfm Max. 499 HP
454 Oval Port 22590 to 23390 926 to 1121 cfm Max. 499 HP
454 Rect.Port 22470 to 23270 926 to 1121 cfm Max. 499 HP
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 9.5:1 to 11.0:1, Propane 11.0:1 to 12.5:1
Exhaust: Dual exhaust with headers
Fuel Inj.: Performance EFI system required
Gear Ratio: 3.5:1 to 4.5:1
Idle: 800 rpm or less, has a lope
Ignition: Recurved or perf. distributor, electronic ignition
Street/Strip (2600 rpm to 5600 rpm, max. HP @ 6600 rpm)
Strong performance above 2500 rpm. Expect low manifold vacuum.
Mild port work and multi-angle valve grind are recommended.
Automatic transmissions may require a high stall torque converter.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 23033 to 23833 820 to 981 cfm Max. 439 HP
366 w/1.940 22933 to 23733 820 to 981 cfm Max. 439 HP
396 Oval Port 23003 to 23803 887 to 1062 cfm Max. 475 HP
396 Rect Port 22883 to 23683 887 to 1062 cfm Max. 475 HP
402 Oval Port 23043 to 23843 901 to 1078 cfm Max. 482 HP
402 Rect.Port 22923 to 23723 901 to 1078 cfm Max. 482 HP
427 Trk 1.84 23440 to 24240 957 to 1145 cfm Max. 512 HP
427 Trk 1.94 23340 to 24140 957 to 1145 cfm Max. 512 HP
427 Oval Port 23210 to 24010 957 to 1145 cfm Max. 512 HP
427 Rect.Port 23090 to 23890 957 to 1145 cfm Max. 512 HP
454 Trk 1.84 23620 to 24420 1017 to 1217 cfm Max. 545 HP
454 Oval Port 23390 to 24190 1017 to 1217 cfm Max. 545 HP
454 Rect.Port 23270 to 24070 1017 to 1217 cfm Max. 545 HP
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 10.0:1 to 11.5:1, Propane 11.5:1 to 13.0:1
Exhaust: Dual exhaust with headers
Fuel Inj.: Performance EFI system required
Gear Ratio: 3.7:1 to 4.7:1
Idle: 850 or less, has a lope
Ignition: Performance distributor and electronic ignition
Pro Street and Race (3000 rpm and up)
Super top-end performance. Manifold vacuum might be too low for
power brakes and automatic transmission modulators. Mild port work
and multi-angle valve grind are recommended. NOT for daily driving.
Automatic transmissions will require a high stall torque converter.
Engine: Cam Range* Air/Fuel Range: Horsepower:
366 w/1.840 23833 and up 895 cfm and up 439 HP and up
366 w/1.940 23733 and up 895 cfm and up 439 HP and up
396 Oval Port 23803 and up 968 cfm and up 475 HP and up
396 Rect Port 23683 and up 968 cfm and up 475 HP and up
402 Oval Port 23843 and up 983 cfm and up 482 HP and up
402 Rect.Port 23723 and up 983 cfm and up 482 HP and up
427 Trk 1.84 24240 and up 1044 cfm and up 512 HP and up
427 Trk 1.94 24140 and up 1044 cfm and up 512 HP and up
427 Oval Port 24010 and up 1044 cfm and up 512 HP and up
427 Rect.Port 23890 and up 1044 cfm and up 512 HP and up
454 Trk 1.84 24420 and up 1110 cfm and up 545 HP and up
454 Oval Port 24190 and up 1110 cfm and up 545 HP and up
454 Rect.Port 24070 and up 1110 cfm and up 545 HP and up
*The cam range refers to the 2nd half of
the Accelerated Motion part number.
Compression: Gasoline 10.5:1 and up, Propane 12.0:1 and up
Exhaust: Dual exhaust with headers
Fuel Inj.: Race EFI system required
Gear Ratio: 3.9:1 and higher (numerically)
Idle: 850 rpm or more, will be rough
Ignition: Performance distributor and electronic ignition
Which Cam Duration In The Range Will Work Best?
Cars (large): Use short or medium duration, exhaust can be longer.
Cars (small): Use long intake duration, exhaust can be longer.
Propane: Use short or medium duration, exhaust can be shorter.
Trucks: Use short duration for intake and exhaust.
Turbo: Use short or medium duration, exhaust can be shorter,
compression must be lower than shown.
How Much Lift Is Enough?
All with 1.840 valves get the best flow at .470 lift.
All with 1.940 valves get the best flow at .495 lift.
All with 2.070 valves get the best flow at .528 lift.
All with 2.190 valves get the best flow at .558 lift.
Lifts higher than these figures will add more duration at the maximum
flow point. Excessive lifts will cause more problems than they are
worth in an engine that is not fully race prepared.
Minimum Engine Horsepower Required To Reach A 1/4 Mile Speed:
HPq = (0.00426 x MPH) x (0.00426 x MPH) x (0.00426 x MPH) x Weight
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages
Accelerated Motion
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Hydraulic Cam and Lifter Kit
All camshafts are for chain drive engines only.
To use these cam and lifter kits in 1965-66 engines a groove
3/16 wide and 7/64 deep must be machined into the center of
the rear cam bearing journal.
Do NOT use grooved cams in 1967-up engines.
Compare .050 Dur V.Lift Adv Dur Sep Accelerated Motion #
1967-91 Hydraulic Lifter Set HT817*16 ***
1967-91 Hydraulic Lifter Set - Hi-Rev HT817R*16
1967-91 Hydraulic Lifter Set - Variable RL8178
1991-96 Hydraulic Lifter Set HT969*16
1991-96 Hydraulic Lifter Set - Hi-Rev HT969R*16
All kits include computer cam checking:
Stock 1967-72 except performance 19831-19240
454 1976 car except Corvette 19831-19240
196/196 .398/.398 286/286 114 19831-19240
366 1985-96 except federal emissions 19831-19406
427 1985-96 19831-19406
454 1976-93 Truck and Motor Home 19831-19406
192/203 .398/.430 268/278 112 19831-19406
190/202 .439/.464 260/272 110 19831-19444
366 1973-84; 366 1985-90 w/emissions 19831-20240
366 1991-96; 427 1973-84 19831-20240
193/193 .400/.400 268/268 101 19831-20240
204/208 .459/.459 288/298 112 19831-20379
202/210 .468/.485 262/270 110 19831-20513
204/214 .478/.503 282/292 112 19831-20581
205/213 .462/.457 267/277 111 19831-20613
208/208 .476/.476 284/284 111 19831-20748
Propane and/or Turbo 19831-20784
216/202 .511/.475 267/264 114 19831-20784
454 1973-75 except 1975 Corvette 19831-20844
454 1979-86 Truck series 7 19831-20844
210/213 .440/.440 285/297 113 19831-20844
214/214 .501/.501 280/280 114 19831-21050
396 1965 375hp L-78, requires groove 19831-21079
427 1966 390hp L-36, requires groove 19831-21079
427 1967-69 390hp L-36 and 1970-72 LS-5 19831-21079
454 Marine, 300/330/340/350hp 19831-21079
214/218 .461/.480 289/302 115 19831-21079
212/212 .476/.476 278/278 110 19831-21248
214/214 .486/.486 290/290 112 19831-21249
Propane and/or Turbo 19831-21316
220/213 .499/.493 297/285 115 19831-21316
214/224 .503/.529 292/302 112 19831-21584
Propane and/or Turbo 19831-21616
220/213 .499/.493 297/285 112 19831-21616
218/218 .519/.519 284/284 110 19831-21852
454 Marine, 300hp; 502 Marine, 390/400hp 19831-21951
224/224 .510/.510 293/293 115 19831-21951
221/235 .500/.506 309/327 116 19831-22017
222/236 .500/.505 310/325 115 19831-22217
Edelbrock Torker type 19831-22386
224/234 .529/.553 302/307 114 19831-22386
230/230 .513/.513 309/309 110 19831-23051
230/230 .544/.544 292/292 109 19831-23154
234/244 .553/.578 300/310 112 19831-23589
246/246 .576/.576 304/304 110 19831-24658
Solid Cam and Lifter Kit
All camshafts are for chain drive engines only.
To use these cam and lifter kits in 1965-66 engines a groove
3/16 wide and 7/64 deep must be machined into the center of
the rear cam bearing journal.
Do NOT use grooved cams in 1967-up engines.
Compare .050 Dur V.Lift Adv Dur Sep Accelerated Motion #
1967-96 Solid Lifter Set - Piddle Valve AT992*16 ***
1967-96 Solid Lifter Set - Restricted Oil AT840R*16
All kits include computer cam checking:
218/228 .518/.543 266/278 114 19834-20283
396 1966-69 375hp L-78/L-79/L-89 19834-22783
427 1966-69 435hp L-71/L-72/L-89 19834-22783
454 425/450hp LS-6, 465hp LS-7 19834-22783
242/242 .520/.520 306/294 114 19834-22783
250/260 .576/.639 294/306 112 19834-24022
253/262 .556/.554 291/299 112 19834-24351
Marine jet boat A-B Impeller 19834-24689
254/264 .587/.612 316/326 108 19834-24689
262/273 .581/.621 325/337 116 19834-25023
427 L88 264/270 .559/.580 322/320 112 19834-25287
264/274 .612/.637 326/336 108 19834-25692
268/276 .649/.670 316/324 112 19834-25763
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages
Accelerated Motion
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CAM BOLT SET of 3 Mr. Gasket 944
CAM BUSHING SET
Advance or retard your cam to suit your need.
0, 2, 4, 6 and 8 degree Mr. Gasket 85
0, 1, 3, 5 and 7 degree Mr. Gasket 85B
CAM LOCK PLATE
Lock Plate only Speed Pro MR1889
Complete with 3 bolts Crane 99168
CAM LUBE
3 oz. Tube, Paste Bel-Ray Anti-Seize
4 oz. Bottle, LL-5 Liquid Sealed Power 55-400
CAM THRUST BUTTON
Required for roller and hydraulic roller cams.
Steel Speed Pro CSB3
Bronze Speed Pro MR1870
CRANKSHAFT KEY
Offset keys will advance or retard your cam to suit your needs.
2 degree Mr. Gasket 987
4 degree Mr. Gasket 988
LIFTER SET
1965-91 Hydraulic Sealed Power HT817*16
1965-91 Hydraulic Hi-Rev Speed Pro HT817R*16
1965-91 Hydraulic Variable Rhoads RL8178
1991-97 Hydraulic Sealed Power HT969*16
1991-97 Hydraulic Hi-Rev Speed Pro HT969R*16
1991-97 Hydraulic Variable Rhoads RL9698
1965-97 Solid Sealed Power AT992*16
1965-97 Solid w/rest. oiling Speed Pro AT840R*16
1965-97 Retro Hyd. Roller Speed Pro HT2207RCA*8
1965-97 Solid Roller Speed Pro AT6027RA*8
1996-2000 Hydraulic Roller Sealed power HT2279*16
PUSH ROD GUIDE PLATE SET
For 3/8 push rods Speed Pro MR1893*4
For 7/16 push rods Speed Pro MR1894*4
PUSH ROD SET
Three main engine block deck heights that require different
length pushrods have been used:
Std height blocks are from cars and light duty trucks to 1984.
454 Car 1976 and light truck 1985-90 use shorter push rods.
Tall blocks are from heavy duty trucks and use longer push rods.
Std Hardened intake 8.280 Sealed Power RP3182*8
Std Hardened exhaust 9.252 Sealed Power RP3181*8
Std Stock performance intake 8.296 Sealed Power RP3104*8
Std Stock performance exhaust 9.256 Sealed Power RP3103*8
Std Hardened black oxide 3/8 Speed Pro RP5002RK
Std Chrome-Moly intake 3/8 x 8.280 Speed Pro RP3216R*8
Std Chrome-Moly exhaust 3/8 x 9.252 Speed Pro RP3215R*8
Std Chrome-Moly int 3/8 x 8.280 1pc Speed Pro RP7003R*8
Std Chrome-Moly exh 3/8 x 9.250 1pc Speed Pro RP7002R*8
Std Chrome-Moly int 3/8 x 8.380 1pc Speed Pro RP7003R100*8
Std Chrome-Moly exh 3/8 x 9.350 1pc Speed Pro RP7002R100*8
Std Chrome-Moly intake 7/16 x 8.280 Speed Pro RP3217R*8
Std Chrome-Moly exhaust 7/16 x 9.252 Speed Pro RP3218R*8
Std Chrome-Moly int 7/16 x 8.280 1pc Speed Pro RP7502R*8
Std Chrome-Moly exh 7/16 x 9.250 1pc Speed Pro RP7501R*8
Std Chrome-Moly int for hyd. roller Speed Pro RP3266R*8
Std Chrome-Moly exh for hyd. roller Speed Pro RP3267R*8
Std Chrome-Moly 3/8 x 7.40 to 8.70 Speed Pro RP8003R*8
Std Chrome-Moly 3/8 x 8.40 to 9.78 Speed Pro RP8004R*8
454 Car 1976, hardened intake 8.227 Sealed Power RP3255*8
454 Car 1976, hardened exhaust 9.202 Sealed Power RP3254*8
454 Truck 1985-90, hard. int. 8.227 Sealed Power RP3255*8
454 Truck 1985-90, hard. exh. 9.202 Sealed Power RP3254*8
454 1976 and 1985-90 hardened 5/16 Speed Pro RP5004RK
454 Chrome-Moly int 5/16 x 8.225 1pc Speed Pro RP3326R*8
454 Chrome-Moly exh 5/16 x 9.220 1pc Speed Pro RP3325R*8
454 Chrome-Moly 3/8 x 7.40 to 8.70 Speed Pro RP8003R*8
454 Chrome-Moly 3/8 x 8.40 to 9.78 Speed Pro RP8004R*8
Tall Truck block to 1976, int. 8.687 Sealed Power RP3106*8
Tall Truck block to 1976, exh. 9.640 Sealed Power RP3105*8
Tall Truck 1977-83, hard. int. 8.680 Sealed Power RP3204*8
Tall Truck 1977-83, hard. exh. 9.652 Sealed Power RP3203*8
Tall Chrome-Moly int 3/8 x 8.680 1pc Speed Pro RP7003R400*8
Tall Chrome-Moly exh 3/8 x 9.650 1pc Speed Pro RP7002R400*8
Tall Truck 1983-90, hard. int. 8.634 Sealed Power RP3258*8
Tall Truck 1983-90, hard. exh. 9.602 Sealed Power RP3257*8
Tall Chrome-Moly 3/8 x 7.40 to 8.70 Speed Pro RP8003R*8
Tall Chrome-Moly 3/8 x 8.40 to 9.78 Speed Pro RP8004R*8
Tall Chrome-Moly 3/8 x 9.27 to 10.67 Speed Pro RP8005R*8
REV KIT
Roller cams, except tall blocks Speed Pro MR1900
ROCKER ARM SET
Stock Sealed Power R851*16
Long Slot Speed Pro R866R*16
Aluminum Roller Speed Pro RR7004R-8
Stainless Roller Speed Pro RR7024R*16
ROCKER ARM NUT SET
7/16 PolyLock for stamped arms Speed Pro MR1861PL*16
7/16 PolyLock for aluminum arms Speed Pro MR1859PL*16
ROCKER ARM SCREW-IN STUD SET
7/16 x 1-7/8 for stock rockers Speed Pro MR1864RS*16
7/16 x 2 for roller rockers Speed Pro MR1867RS*16
7/16 for stud girdles Speed Pro MR1912*16
7/16 x 2 for aluminum heads Speed Pro MR1866RS*16
TIMING SET - 3 PIECE
Stock steel Sealed Power KT3-501SA
Heavy Duty Silent steel Speed Pro 220-4105
Stock Truck Dual Row Sealed Power KT3-171S
Dual Row, 3 key gear Speed Pro 220-1110
.200 Roller, 3 key gear Speed Pro 220-2110
True Roller is a trade marked name for .250 roller sets.
.250 Roller, hardened 3 key gear Clevite 93110
.250 Roller, hardened 3 key gear Speed Pro 220-3110
.250 Roller, with thrust bearing Speed Pro 220-3110T
.250 Roller, billet gears Speed Pro 220-5110
VALVE KEEPER SET
Stock Sealed Power VK138*32
Hardened Speed Pro VK138R*32
Machined and hardened Lunati 77004
Machined and hardened Speed Pro VK338R*32
Machined and hardened, 10 degree Speed Pro VK275*32
Machined and hardened, 11/32x7 Lunati 77034
VALVE SPRING RETAINER SET
For VS1605R, as below Speed Pro VSR7015R*16
Chrome-Moly 1.37 OD, 3/8x7+.018 Speed Pro VSR7015R*16
For VS1589, as below Speed Pro VSR7016R*16
Chrome-Moly 1.43 OD, 3/8x7 Speed Pro VSR7016R*16
For VS780R, as below Speed Pro VSR7001R*16
Chrome-Moly 1.44 OD, 3/8x7+.060 Speed Pro VSR7001R*16
For 73815, as below Lunati 75702
Chrome-Moly 1.50 OD, 3/8x7 Lunati 75702
For VS1581, as below Speed Pro VSR7003R*16
Chrome-Moly 1.50 OD, 3/8x7 Speed Pro VSR7003R*16
For VS892R/VS888R, as below Speed Pro VSR7005R*16
Chrome-Moly 1.55 OD, 3/8x7+.080 Speed Pro VSR7005R*16
For VS1523/VS1526, as below Speed Pro VSR7020*16
Chrome-Moly 1.49 OD, 3/8x10+.020 Speed Pro VSR7020*16
Titanium 1.55 OD, 3/8x10 Speed Pro VSR7019R*16
VALVE SPRING SET
1965-70 Car, stock height 1.88
1970-76 Car, stock height 1.80
1966-80 Truck, stock height 1.80
454 1975-77 LD Truck, stock height 1.88
454 1975-up Truck, stock height 1.797
To 1970 stock single Sealed Power VS657*16
Dual To 1972 stock 325#@.500Lift Sealed Power VS708*16
Dual Stock perf. 300#@.600Lift Sealed Power VS1581*16
1970-85 stock truck Sealed Power VS671*16
1973-74 stock single Sealed Power VS728*16
1975-76 stock single Sealed Power VS671*16
1985-91 stock truck Sealed Power VS859*16
Performance and Race Valve Spring Selection:
Int.Dur.@.050 Seat Pressure Open Pressure
180 to 200 90 to 100 225 to 250
200 to 220 100 to 110 250 to 275
220 to 240 110 to 120 275 to 300
240 to 260 120 to 130 300 to 325
Use Valve Spring Shims to adjust height and pressure.
Solid Rollers use higher spring pressures.
Performance spring lift and pressure is based on 1.88 stock
height and the variance caused by the retainer.
S Single springs
S-D Single springs with dampeners
D Dual springs
D-D Dual Springs with dampeners
D-D 1.46OD/105#@1.88/338#@.630Lift Speed Pro VS1581*16
S-D 1.53OD/115#@1.88/355#@.550Lift Lunati 73815
D-D 1.45OD/120#@1.94/343#@.640Lift Speed Pro VS780R*16
D-D 1.47OD/122#@1.89/377#@.640Lift Speed Pro VS1605R*16
S-D 1.54OD/135#@1.96/380#@.730Lift Speed Pro VS892R*16
For solid rollers ONLY:
D 1.55OD/138#@1.96/400#@.700Lift Speed Pro VS888R*16
D-D 1.55OD/144#@1.88/411#@.680Lift Speed Pro VS1589*16
D-D 1.54OD/148#@1.90/452#@.650Lift Speed Pro VS1526*16
D-D 1.53OD/200#@1.90/512#@.650Lift Speed Pro VS1523*16
VALVE STEM SEAL SET (machining required)
.375v .562g .728 rubber/teflon Sealed Power ST2004*16
.375v .500g .666 rubber/teflon Sealed Power ST2014*16
.343v .531g .650 teflon Speed Pro ST2018R*16
VALVE STEM SEAL GUIDE CUTTER
For ST2004 seals Sealed Power MT2004H
For ST2014 seals Sealed Power MT2014H
For ST2018R seals Sealed Power MT2003H
VALVE - EXHAUST
Stock Oval Port, 1.720 diameter Sealed Power V1911
Rectangle Port, 1.875 diameter Sealed Power V1861
Aluminum Head, 1.840 diameter Sealed Power V1862
Truck, 1.660 diameter Sealed Power V1753X
Truck, 1.660 diameter, Inconel Sealed Power V2451X
Truck, 1.660 diameter, Sodium Sealed Power V1987X
Truck, 1.720 diameter Sealed Power V1911
Truck, 1.720 diameter, Stellite Sealed Power V1989X
Truck, 1.720 diameter, Inconel Sealed Power V2450X
VALVE - EXHAUST SET OF 8
Speed Pro valves are forged stainless steel with
with chromed stems and swirl polished heads.
1.660, Stock Sealed Power V1753X*8
1.660, Truck, Inconel Sealed Power V2451X*8
1.660, Heavy Duty, Sodium cooled Sealed Power V1987X*8
1.720, Stock Stainless (21-2N) Sealed Power V1911*8
1.720, Truck Stellite (21-2N) Sealed Power V1989X*8
1.720, Heavy Duty (Inconel 751) Sealed Power V2450X*8
1.720, Stainless (21-2N) Speed Pro V2058R*8
1.720, undercut stem (21-2N) Speed Pro V2483R*8
1.840, Stock perf., (SIL-746) Sealed Power V1862*8
1.875, Stock Stainless (21-2N) Sealed Power V1861*8
1.875, Stainless (21-2N) Speed Pro V2053R*8
1.875, undercut stem (21-2N) Speed Pro V2484R*8
1.880, .342stem Stainless(21-2N) Speed Pro V8005R*8
1.900, .342stem Stainless(21-2N) Speed Pro V8006R*8
1.920, 11/32 stem, Stainless Speed Pro V4138*8
1.945, undercut stem (21-2N) Speed Pro V2485R*8
1.950, Stainless (21-2N) Speed Pro V2060R*8
VALVE - INTAKE
Stock Oval Port, 2.065 diameter Sealed Power V1912
Rectangle Port, 2.190 diameter Sealed Power V1905
Truck, 1.840 diameter Sealed Power V1754
Truck, 1.940 diameter Sealed Power V1874
Truck, 2.065 diameter Sealed Power V1912
VALVE - INTAKE SET OF 8
Speed Pro valves have chromed stems and swirl polished heads.
1.840, Stock Sealed Power V1754*8
1.940, Stock Sealed Power V1874*8
2.065, Stock (1547) Sealed Power V1912*8
2.190, Perf. Stainless (SIL XBE) Sealed Power V1905*8
2.190, .342stem Stainless(21-2N) Speed Pro V8007R*8
2.190, Stainless (422) Speed Pro V2059R*8
2.190, undercut stem (422) Speed Pro V2481R*8
2.190, .342stem, Titanium(TI6-4) Speed Pro V4217R*8
2.250, .342stem Stainless(21-2N) Speed Pro V8008R*8
2.250, .342stem +.100long(21-2N) Speed Pro V8008R100*8
2.250, Stainless (422) Speed Pro V2464R*8
2.250, undercut stem (422) Speed Pro V2482R*8
2.250, .342stem, Titanium(TI6-4) Speed Pro V3999R*8
2.300 Speed Pro V4215*8
2.300, Stainless (422) Speed Pro V2056R*8
2.300, Titanium (TI6-4) Speed Pro V4221R*8
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages
Accelerated Motion
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CAM BEARING SET
1965-66 (SH) F-M 1244M
1967-95 (SH) F-M 1404M
Bow Tie CNC blocks (SH) F-M 1874M
CONNECTING ROD - RECONDITIONED
To 1983 exc perf. or heavy duty F-M CR1407
454 1984 Truck except heavy duty F-M CR1407
ENGINE OVERHAUL KIT
SEALED POWER kits include Sealed Power rings, Federal-Mogul
rod + main bearings, full gasket set.
366 1966-84 with moly rings Sealed Power 205-631M
366 1985 except H5D with moly rings Sealed Power 205-631M
366 1985 with H5D with moly rings Sealed Power 205-6039M
366 1986-90 with moly rings Sealed Power 205-6039M
396 1965-69 oval port Sealed Power 205-186M
396 1965-69 oval port with moly rings Sealed Power 205-686M
402 1970-72 oval port Sealed Power 205-161M
402 1970-72 oval port with moly rings Sealed Power 205-661M
427 1966-69 Car oval port Sealed Power 205-113M
427 1966-69 Car oval port w/moly ring Sealed Power 205-613M
427 1968-73 Truck with moly rings Sealed Power 205-636M
427 1974-84 with moly rings Sealed Power 205-659M
427 1985 except H5D with moly rings Sealed Power 205-659M
427 1985 Truck with H5D w/moly rings Sealed Power 205-6085M
427 1986-90 with moly rings Sealed Power 205-6085M
454 1970-79 oval port Sealed Power 205-113M
454 1970-79 oval port with moly rings Sealed Power 205-613M
454 1980-84 Sealed Power 205-160M
454 1980-84 with moly rings Sealed Power 205-660M
454 1985 except H5D emissions Sealed Power 205-160M
454 1985 except H5D with moly rings Sealed Power 205-660M
454 1985 with H5D emissions Sealed Power 205-1086M
454 1985 with H5D with moly rings Sealed Power 205-6086M
454 1986-90 Sealed Power 205-1086M
454 1986-90 with moly rings Sealed Power 205-6086M
ENGINE REBUILD MASTER KIT
SEALED POWER kits include Sealed Power rings, Federal-Mogul
rod + main + cam bearings, full gasket set, Sterling pistons,
oil pump, timing set, stock cam and lifters, and frost plugs.
366 1966 w/gear drive w/moly rings Sealed Power MKP-631A
366 1967-68 w/gear drive w/moly rings Sealed Power MKP-631C
366 1969-72 with moly rings Sealed Power MKP-631D
366 1973-81 with moly rings Sealed Power MKP-631E
366 1982-84 with moly rings Sealed Power MKP-631F
366 1985 with H5D with moly rings Sealed Power MKP-6039A
366 1986-90 with moly rings Sealed Power MKP-6039A
396 1965-66 oval port Sealed Power MKP-186A
396 1965-66 oval port with moly rings Sealed Power MKP-686A
396 1967-69 oval port Sealed Power MKP-186C
396 1967-69 oval port with moly rings Sealed Power MKP-686C
402 1970-72 oval port Sealed Power MKP-161A
402 1970-72 oval port Sealed Power MKP-661A
427 1968 w/gear drive w/moly rings Sealed Power MKP-636A
427 1968-72 Truck with moly rings Sealed Power MKP-636C
427 1973 with moly rings Sealed Power MKP-636D
427 1974-81 with moly rings Sealed Power MKP-659A
427 1982-84 with moly rings Sealed Power MKP-659C
427 1985 except H5D with moly rings Sealed Power MKP-659D
427 1985 with H5D with moly rings Sealed Power MKP-6085A
454 1970-72 oval port Sealed Power MKP-113A
454 1970-72 oval port with moly rings Sealed Power MKP-613A
454 1973-75 except 1975 Corvette Sealed Power MKP-113C
454 1973-75 As above with moly rings Sealed Power MKP-613C
454 1976 Car except Corvette Sealed Power MKP-113A
454 1976 Car as above with moly rings Sealed Power MKP-613A
454 1976-79 Truck Sealed Power MKP-113E
454 1976-79 Truck with moly rings Sealed Power MKP-613E
454 1980-84 Sealed Power MKP-160A
454 1980-84 with moly rings Sealed Power MKP-660A
454 1985 except H5D emissions Sealed Power MKP-160A
454 1985 except H5D with moly rings Sealed Power MKP-660A
454 1985 with H5D emissions Sealed Power MKP-1086A
454 1985 with H5D with moly rings Sealed Power MKP-6086A
454 1986-90 Sealed Power MKP-1086C
454 1986-90 with moly rings Sealed Power MKP-6086C
FROST PLUG BLOCK KIT
Brass Sealed Power 381-8009
MAIN BEARING SET
Stock (CP) F-M 4400M
Competition 3/4 grooved (CH) F-M 141M
Drag Race (alcohol or fuel) (SH) F-M 136M
OIL PUMP
To 1981 stock Sealed Power 224-4154
1982-90 stock Sealed Power 224-4154G
To 1981 high volume except marine Sealed Power 224-4153
454 To 1985 stock Sealed Power 224-4154
454 1986-90 stock Sealed Power 224-4154G
454 To 1985 high volume except marine Sealed Power 224-4153
Standard volume, high pressure Speed Pro 224-121M
Race high volume, high pressure Speed Pro 224-101R
OIL PUMP SHAFT
Stock for nylon sleeve Sealed Power 224-6154A
Heavy Duty with steel sleeve Speed Pro 224-6154
PISTON SET
Keith Black pistons are hypereutectic.
Sterling pistons are cast except when noted as hypereutectic.
TRW pistons are forged.
ALWAYS check dome clearance.
366 1966-84 8.0:1 Sterling 958P*8
396 1965-69 9.6:1 Sterling 460P*8
396 1965-69 325/350HP 10.2:1 w/96.4cc TRW Forged L2240NF*8
396 1965-69 375HP 10.6:1 w/109.4cc TRW Forged L2242F*8
396 1965-69 375HP 11.9:1 w/106.9cc TRW Forged L2287F*8
396 Can use 402 pistons if block is bored an additional .031.
402 1970-72 8.3:1 Sterling 402P*8
402 1970-72 350HP 8.7:1 w/109.4cc TRW Forged L2383F*8
402 1970 375HP 9.3:1 w/106.9cc TRW Forged L2354F*8
402 1970 10.8:1 w/106.9cc TRW Forged L2328F*8
402 .18 dome 9.4:1 w/108cc Keith Black KB160*8
427 1966-69 Car 9.5:1 Sterling 412P*8
427 1966-69 335/390HP 10.2:1 w/96.4cc TRW Forged L2300F*8
427 1966-69 425/435HP 11.2:1w/106.9cc TRW Forged L2268F*8
427 .18 dome 9.8:1 w/108cc Keith Black KB176*8
427 1968-85 Truck 8.0:1 Sterling 989P*8
427 Blown, 6.26 rod 7.8:1 w/106.9cc TRW Forged L2453F*8
427 Pistons for 1/16-1/16-3/16 ring sets:
427 L88/ZL1 12.1:1 w/106.9cc TRW Forged L2239NF*8
427 Open chamber 11.7:1 w/116.9cc TRW Forged L2308AF*8
454 Always check piston skirt to counterweight clearance.
454 1970-73 9.0:1 Sterling H661CP*8
454 1970-73 9.0:1 TRW Forged L2377F*8
454 1970 LS-6 closed 11.9:1 w/100.9cc TRW Forged L2349F*8
454 1971 LS-6 open 9.7:1 w/106.9cc TRW Forged L2399F*8
454 1974-85 8.0:1 Sterling H661CP*8
454 1974-85 8.0:1 TRW Forged L2377F*8
454 1986-90 Hyper. 8.0:1 Sterling H518CP*8
454 Blown Hyper. 8.0:1 w/109.4cc Sterling H518CP*8
454 Blown Hyper. 8.1:1 w/109.4cc Sterling H626P*8
454 Blown 8.1:1 w/109.4cc TRW Forged L2453F*8
454 Hypereutectic 8.4:1 w/109.4cc Sterling H625P*8
454 Flat top 8.8:1 w/108cc Keith Black KB202*8
454 Hyper. .10 dome 9.2:1 w/109.4cc Sterling H426P*8
454 .133 dome 9.9:1 w/108cc Keith Black KB203*8
454 Open chamber 10.4:1 w/109.4cc TRW Forged L2465F*8
454 Open, .25 dome 11.3:1 w/108cc Keith Black KB257*8
454 Hyper. .34 dome 11.2:1 w/109.4cc Sterling H581P*8
454 Pistons for 1/16-1/16-3/16 ring sets:
454 Flat top 8.8:1 w/108cc Keith Black KB200*8
454 Hypereutectic 9.2:1 w/109.4cc Sterling H109P*8
454 .133 dome 9.9:1 w/108cc Keith Black KB201*8
454 Hypereutectic 11.1:1 w/109.4cc Sterling H110P*8
454 Open, .25 dome 11.3:1 w/108cc Keith Black KB207*8
454 Closed .58 dome 12.3:1 w/106.9cc TRW Forged L2372AF*8
454 Open .58 dome 12.0:1 w/116.9cc TRW Forged L2519F30*8
454 Open .58 dome 12.5:1 w/116.9cc TRW Forged L2307AF*8
481 is 454 bored .125 to 4.375. Check wall thickness before boring.
481 1/16-1/16-3/16 9.2:1 w/108cc Keith Black KB204*8
481 1/16-1/16-3/16 10.4:1 w/108cc Keith Black KB205*8
482 is 4.250 standard bore, 4.25 stroke, 6.135 rod.
482 Hyper. .10 dome 10.1:1 w/106.9cc Sterling H552P30*8
482 Hyper. .28 dome 11.2:1 w/106.9cc Sterling H603P30*8
482 Hyper. .275 dome 11.2:1 w/106.9cc Sterling H112P30*8
482 Pistons for 1/16-1/16-3/16 ring sets:
482 Hyper. .09 dome 10.1:1 w/106.9cc Sterling H111P*8
509 is 4.50 bore, 4.25 stroke.
509 1/16-1/16-3/16 9.4:1 w/106.9cc TRW Forged L2513F*8
PISTON PIN BUSHING SET
For floating pin conversion F-M 2304VNH*8
RING SET 5/64-5/64-3/16
396 Plain cast Sealed Power E232X
396 Moly cast Sealed Power E232K
396 Moly ductile file fit low tension Speed Pro R9210
402 Plain cast Sealed Power E243X
402 Moly cast Sealed Power E243K
402 Moly ductile iron Speed Pro R10374
402 Moly ductile iron file fit Speed Pro R5879
427/454/482 have 4.250 standard bore as below:
4.25 Plain cast, standard size Sealed Power 9018X
4.25 Plain cast Sealed Power E233X
4.25 Moly cast Sealed Power E233K
4.25 Moly ductile iron Speed Pro R9905
4.25 Moly ductile iron file fit Speed Pro R9590
427/454/482 with 4.350 (+.100) bore as below:
4.35 Plain cast Sealed Power E424X.30
4.35 Moly cast Sealed Power E424K.30
4.35 Moly ductile iron file fit Speed Pro R9224.35
RING SET 1/16-1/16-3/16
402 Performance cast, Claimer Speed Pro R6375
402 Performance moly, Claimer Speed Pro R8375
427/454/482 have 4.250 standard bore as below:
4.25 Moly ductile iron Speed Pro R9904
4.25 Moly ductile iron file fit Speed Pro R9745
4.25 Moly ductile file fit low tension Speed Pro R9344
427/454/482 with 4.350 (+.100) bore as below:
4.35 Moly ductile iron file fit Speed Pro R9798.35
4.35 Moly ductile file fit low tension Speed Pro R9278.35
481 Moly ductile file fit low tension Speed Pro R9406.05
509 Moly ductile file fit low tension Speed Pro R10317
RING SET, PRO SERIES
Reduced radial wall thickness, low tension second ring,
extra light tension oil ring, designed for crankcase vacuum
systems. For Pro Oval Track and Pro Drag only.
402 1/16 - 1/16 - 3.0mm Speed Pro R20108
ROD BEARING SET
Check out the tech section for an explanation of bearing (material).
Stock (CP) F-M 8-3190CP
Competition (CH) F-M 8-7200CH
Competition, dowel hole (CH) F-M 8-7200CHA
Drag Race (alcohol or fuel) (SH) F-M 8-7200SHA
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages
Accelerated Motion
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CAM CHANGE GASKET SET
1965-90 Oval port except 366 McCord 95-4036
ENGINE OVERHAUL GASKET SET
366 To 1984 Sealed Power 260-1009
366 1985 except H5D emissions Sealed Power 260-1009
366 1985 with H5D emissions Sealed Power 260-1270
366 1986-90 Sealed Power 260-1270
396 Oval port Sealed Power 260-1009
396 Performance Speed Pro 260-1081
402 Oval port Sealed Power 260-1009
402 Performance Speed Pro 260-1081
427 To 1973 Oval port Sealed Power 260-1009
427 To 1973 Performance Speed Pro 260-1081
427 1974-84 Sealed Power 260-1046
427 1985 except H5D emissions Sealed Power 260-1046
427 1985 with H5D emissions Sealed Power 260-1418
427 1986-90 Sealed Power 260-1418
454 To 1979 Oval port Sealed Power 260-1009
454 To 1979 Performance Speed Pro 260-1081
454 1980-84 Sealed Power 260-1046
454 1985 except H5D emissions Sealed Power 260-1046
454 1985 with H5D emissions Sealed Power 260-1418
454 1986-90 Sealed Power 260-1418
HEAD GASKET SINGLES
396/402/427 1965-73 McCord 7031M
396/402/427 1965-73, Graphite McCord 7031G
427 1974-90, Graphite McCord 6890G
454 1970-79 McCord 7031M
454 1970-79, Graphite McCord 7031G
454 1980-90, Graphite McCord 6890G
HEADER GASKET PAIR
Standard 1.88 oval McCord 94-7015
Modified 2.13 round McCord 94-7047
HEADER COLLECTOR GASKET PAIR
3.0 Triangle, wire mesh core McCord 94-9021
3.5 Triangle Rol M48006*2
INTAKE MANIFOLD GASKET SET
To 1972 Oval port McCord MS3159
To 1972 Rectangal port McCord MS3100
366 Truck McCord MS3159
427 Truck McCord MS3159
454 1973-74 Oval port McCord MS3137
454 1973-78 Truck with EGR McCord MS3137
454 1975-83 Oval port McCord MS3159
454 1984-90 Truck McCord MS3137
All 1.82 x 2.54 rectangle McCord 94-7042
All 1.82 x 2.54 rect., 1/8 thick McCord 94-7043
OIL PAN GASKET SET
Grometted McCord CS2586GR
TIMING COVER GASKET SET McCord ES39981-1
VALVE COVER GASKET PAIR
Stock cork (CV981) Engine Dyn. VC010
High temperature cork McCord CV981HT
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For Reference only: Valve Train | Engine Bottom End | Gaskets www.amotion.com | Catalogue | Cam Checking | Tech Pages
Accelerated Motion
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(C) Copyright 1996-2011 by Doug Friesen, doug@amotion.com. All rights reserved. The Accelerated Motion name and logo is a registered trademark of Doug Friesen. All other marks, names and part numbers are the property of their respective owners and are used for the sole purpose of promoting sales and proper use of their products. The information contained at this site is accurate to the best of my abilities and is subject to change without notice. 
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