FORD

351 Cleveland
351 Modified
and 400 V8
Engine Parts

351 4V, Cobra Jet, and Boss are almost identical.
Boss and Eliminator engines are identical.
Use 351 4V parts for Boss, CJ, and Eliminator except when noted.

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Parts Index

Parts 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 only shows clearance items.

Gaskets only shows clearance items.

Top of Page | Parts Index | Parts Combination Guide | Camshafts
For Reference only: Valve Train
Clearance Items only: Engine Bottom End | Gaskets

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Parts Combination Guide

Parts 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*
351 C 2V        up to 19600
351 C 4V        up to 19500
351 M           up to 19600
400             up to 20000
              *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
Gear Ratio:    3.7:1 and lower (numerically)
Idle:          800 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:
351 C 2V        19600 to 20400     517 to 646 cfm     Max. 281 HP
351 C 4V        19500 to 20300     517 to 646 cfm     Max. 281 HP
351 M           19600 to 20400     517 to 646 cfm     Max. 281 HP
400             20000 to 20800     589 to 736 cfm     Max. 320 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
Gear Ratio:    3.9:1 or lower (numerically)
Idle:          850 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.  4 barrel carb recommended.
Engine:         Cam Range*        Air/Fuel Range:     Horsepower:
351 C 2V        20400 to 21200     581 to 719 cfm     Max. 316 HP
351 C 4V        20300 to 21100     581 to 719 cfm     Max. 316 HP
351 M           20400 to 21200     581 to 719 cfm     Max. 316 HP
400             20800 to 21600     662 to 819 cfm     Max. 360 HP
400 w/4V heads  20700 to 21500     662 to 819 cfm     Max. 360 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
Gear Ratio:    3.1:1 to 4.1:1
Idle:          900 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 for street machines.  Also works
well for medium and heavy towing.  A 4 barrel carb is required.
Engine:         Cam Range*        Air/Fuel Range:     Horsepower:
351 C 2V        21200 to 22000     648 to 793 cfm     Max. 351 HP
351 C 4V        21100 to 21900     648 to 793 cfm     Max. 351 HP
351 M           21200 to 22000     648 to 793 cfm     Max. 351 HP
400             21600 to 22400     738 to 903 cfm     Max. 400 HP
400 w/4V heads  21500 to 22300     738 to 903 cfm     Max. 400 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 2.25, headers are recommended
Gear Ratio:    3.3:1 to 4.3:1
Idle:          950 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.
Multi-angle valve grind is recommended.
Engine:         Cam Range*        Air/Fuel Range:     Horsepower:
351 C 2V        22000 to 22800     716 to 867 cfm     Max. 386 HP
351 C 4V        21900 to 22700     716 to 867 cfm     Max. 386 HP
351 M           22000 to 22800     716 to 867 cfm     Max. 386 HP
400             22400 to 23200     816 to 988 cfm     Max. 440 HP
400 w/4V heads  22300 to 23100     816 to 988 cfm     Max. 440 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
Gear Ratio:    3.5:1 to 4.5:1
Idle:          1000 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:
351 C 2V        22800 to 23600     786 to 941 cfm     Max. 421 HP
351 C 4V        22700 to 23500     786 to 941 cfm     Max. 421 HP
351 M           22800 to 23600     786 to 941 cfm     Max. 421 HP
400             23200 to 24000     896 to 1072 cfm    Max. 480 HP
400 w/4V heads  23100 to 23900     896 to 1072 cfm    Max. 480 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 13:1
Exhaust:       Dual exhaust with headers
Gear Ratio:    3.7:1 to 4.7:1
Idle:          1100 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:
351 C 2V        23600 and up      858 cfm and up      421 HP and up
351 C 4V        23500 and up      858 cfm and up      421 HP and up
351 M           23600 and up      858 cfm and up      421 HP and up
400             24000 and up      978 cfm and up      480 HP and up
400 w/4V heads  23900 and up      978 cfm and up      480 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
Gear Ratio:    3.9:1 and higher (numerically)
Idle:          1100 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.
Turbos:        Use short or medium duration, exhaust can be shorter,
                       compression must be lower than shown.

    How Much Lift Is Enough?
Regular heads get the best flow past the valves at .520 lift.
4V heads get the best flow past the valves 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
Top of Page | Parts Index | Parts Combination Guide | Camshafts
For Reference only: Valve Train
Clearance Items only: Engine Bottom End | Gaskets

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Camshafts

     Hydraulic Cam and Lifter Kit

Compare     .050 Dur   V.Lift   Adv Dur  Sep    Accelerated Motion #
All kits include computer cam checking.
Standard Replacement                            32861-19443
            192/198  .427/.433  273/290  110    32861-19443
            194/204  .458/.484  260/270  110    32861-19779
Performer type                                  32861-20582     Special $156.00
            204/214  .486/.512  282/292  112    32861-20582     Special $156.00
Turbo       214/200  .495/.468  279/260  114    32861-20583
            205/213  .467/.462  267/277  111    32861-20613
4V To 1974  206/221  .481/.490  287/307  115    32861-20648
            208/208  .484/.484  284/284  111    32861-20748
            211/211  .456/.456  289/289  112    32861-20946     Special $153.00
Turbo       221/207  .517/.499  281/277  114    32861-21283
            219/219  .505/.505  310/310  114    32861-21551     Special $147.00
            214/224  .512/.538  292/302  112    32861-21585     Special $136.00
            223/233  .540/.564  307/307  112    32861-22487     Special $136.00
            234/244  .562/.588  312/322  112    32861-23590

     Solid Cam and Lifter Kit

Compare     .050 Dur   V.Lift   Adv Dur  Sep    Accelerated Motion #
All kits include computer cam checking.
            229/226  .495/.495  275/261  116    32864-20947
Boss 351    228/229  .513/.514  348/352  114    32864-21382
            244/254  .569/.590  290/300  106    32864-23888     Special $175.00
Top of Page | Parts Index | Parts Combination Guide | Camshafts
For Reference only: Valve Train
Clearance Items only: Engine Bottom End | Gaskets

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VALVE TRAIN

     CAM LUBE
     3 oz. Tube, Paste                 Bel-Ray Anti-Seize       $ 9.00
     4 oz. Bottle, LL-5 Liquid         Sealed Power 55-400      $ 3.00

     LIFTER SET
     Hydraulic                         HT900*16                 $58.00
     Hydraulic high rev                HT900R*16
     Solid                             AT2000*16                $95.00
     Solid with restricted oiling      AT914*16
     Solid, chilled iron               AT2004R*16
     Solid Roller                      AT6032RA*8

     PUSH ROD SET
351C 1970-74 Stock            8.408    Sealed Power RP3184*16
351C 1970-74 Black Oxide      8.408    Sealed Power RP5013RK
351C 1970-74 Chrome Moly      8.410    Speed Pro RP3226R*16
351C 1971 Boss                8.492    Sealed Power RP3169*16
351C 1972 Boss                8.383    Sealed Power RP3170*16
351C Chrome Moly for solid    8.492    Speed Pro RP3322R*16
351C C.M. cut to length   7.52-8.40    Speed Pro RP8001R*16
351C C.M. cut to length   8.52-9.40    Speed Pro RP8002R*16
351M 1975-82 Stock            9.500    Sealed Power RP3186*16
351M 1975-82 Chrome Moly      9.550    Speed Pro RP3228R*16
400  1971-82 Stock            9.500    Sealed Power RP3186*16
400  1971-82 Chrome Moly      9.550    Speed Pro RP3228R*16

     ROCKER ARM SET, 1.73:1
     Stock non-adjustable              Sealed Power R855*16
     Adjustable for 7/16 stud          Speed Pro R868R*16
     Aluminum Roller                   Speed Pro RR7009R-8
     Stainless Steel Roller            Speed Pro RR7025R*16

     ROCKER ARM NUT SET
     For stock ball pivot rockers      Speed Pro MR1861PL*16
     For roller rockers                Speed Pro MR1859PL*16

     ROCKER ARM STUD SET
     7/16 x 1-7/8                      Speed Pro MR1864RS*16
     7/16 x 2                          Speed Pro MR1867RS*16
     7/16 for roller rockers           Speed Pro MR1912*16

     TIMING SET - 3 PIECE
     Stock steel 3/4 wide              Sealed Power KT3-494SA2
     Stock steel 1973-79 Car 5/8 wide  Sealed Power KT3-498SA2
     Heavy Duty Silent steel           Speed Pro 220-4109
     .200 Roller, 3 keyway             Speed Pro 220-2121
True Roller is a trade marked name for .250 roller sets.
     .250 Roller, hardened 3 keyway    Speed Pro 220-3121

     VALVE KEEPER SET
     Stock To 1978 4 groove            Sealed Power VK205*32
     Hardened To 1978 4 groove         Speed Pro VK205R*32
     Boss, 1 groove                    Sealed Power VK115*32
     Boss, Hardened 1 groove           Speed Pro VK115R*32
     Boss, Machined/Hardened 1 groove  Speed Pro VK315R*32
     Stock 1978-up 1 groove            Sealed Power VK115*32
     Hardened 1978-up 1 groove         Speed Pro VK115R*32
     Machined/Hardened 1978-up 1 gr    Speed Pro VK315R*32
     Machined/Hardened 11/32V 10 deg   Speed Pro VK274*32

     VALVE SPRING RETAINER SET
     For VS887R/VS1581 as below        Speed Pro VSR7017R*16
     For VS1605R as below              Speed Pro VSR7017R*16
     Chrome-Moly 1.37OD, 11/32x7 -.10  Speed Pro VSR7017R*16
     For VS1555 as below               Speed Pro VSR7018R*16
     Chrome-Moly 1.37OD, 11/32x7       Speed Pro VSR7018R*16
     For VS1520 as below               Speed Pro VSR7020*16
     Chrome-Moly 1.49OD, 11/32x10+.13  Speed Pro VSR7020*16

     VALVE SPRING SET
     Stock height 1.820
     2V To 1977             1.400 OD   Sealed Power VS703*16    $45.00
     1978-up, Intake        1.400 OD   Sealed Power VS703*8
     1978-up, Exhaust       1.410 OD   Sealed Power VS1435*8
351C 4V, Boss               1.512 OD   Sealed Power VS717*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 1.820 stock
height and the variance caused by the retainer.
S    Single springs
S-D  Single springs with dampers
D    Dual Springs
D-D  Dual Springs with dampeners
Dual valve springs may require cylinder head machining.
S    1.40OD           229#@.490Lift    Sealed Power VS703*16    $45.00
S-D  1.52OD/ 87#@1.82/299#@.500Lift    Sealed Power VS717*16
S-D  1.46OD/119#@1.82/268#@.530Lift    Speed Pro VS1555*16
D-D  1.46OD/131#@1.81/338#@.560Lift    Speed Pro VS1581*16
D    1.44OD/141#@1.81/350#@.660Lift    Speed Pro VS887R*16
D-D  1.47OD/154#@1.81/377#@.560Lift    Speed Pro VS1605R*16
D-D  1.55OD/179#@1.95/487#@.700Lift    Speed Pro VS1520*16

     VALVE SPRING SHIM
     1.500 x 1.031 x .015              Sealed Power 259-103C
     1.500 x 1.031 x .030              Sealed Power 259-103B
     1.500 x 1.031 x .060              Sealed Power 259-103A
     1.500 x 1.031 x .015 hardened     Speed Pro 259-103CHP
     1.500 x 1.031 x .030 hardened     Speed Pro 259-103BHP
     1.500 x 1.031 x .060 hardened     Speed Pro 259-103AHP

     VALVE STEM SEAL SET (stock type)
351C 2V 1970-74, umbrella type         Sealed Power MV1817*16
351C 4V 1970-72, umbrella type         Sealed Power MV1817*16
351C Boss and CJ 1970-72, umbrella     Sealed Power MV1796*16
351C 4V 1973-74, umbrella type         Sealed Power MV1796*16
     1975-82, positive type            Sealed Power ST2001*16

     VALVE STEM SEAL SET (machining required)
     .343v .562g .728 rubber/teflon    Sealed Power ST2001*16   $14.00
     .343v .531g .697 rubber/teflon    Sealed Power ST2003*16   $14.00
     .343v .531g .650 teflon           Speed Pro ST2018R*16

     VALVE STEM SEAL GUIDE CUTTER
     For ST2001 seals                  Sealed Power MT2001H
     For ST2003 and ST2018R seals      Sealed Power MT2003H

     VALVE - EXHAUST
351C 2V              1.654, 4 groove   Sealed Power V2030
351C 4V              1.709, 4 groove   Sealed Power V1879
351C Boss            1.710, 1 groove   Sealed Power V1866
351M To 1977         1.654, 4 groove   Sealed Power V2030
351M 1978-up         1.655, 1 groove   Sealed Power V2095
400  To 1977         1.654, 4 groove   Sealed Power V2030
400  1978-up         1.655, 1 groove   Sealed Power V2095

     VALVE - EXHAUST SET OF 8
Speed Pro valves are forged stainless steel
with chromed stems and swirl polished heads.
     1.654, 4 groove, stock   (21-2N)  Sealed Power V2030*8
     1.655, 1 groove, stock            Sealed Power V2095*8
     1.709, 4 groove, stock   (21-2N)  Sealed Power V1879*8
     1.710, 1 groove, Boss    (21-2N)  Sealed Power V1866*8
     1.710, 1 groove, perf.   (21-2N)  Speed Pro V8020R*8
     1.710, 1 groove, comp.   (21-2N)  Speed Pro V3944R*8
     1.710, 1 gr, undercut    (21-2N)  Speed Pro V2491R*8

     VALVE - INTAKE
351C 2V              2.040, 4 groove   Sealed Power V2075
351C 4V              2.190, 4 groove   Sealed Power V1880
351C Boss            2.190, 1 groove   Sealed Power V1867
351M To 1978         2.040, 4 groove   Sealed Power V2075
351M 1978-up         2.040, 1 groove   Sealed Power V2142
400  To 1978         2.040, 4 groove   Sealed Power V2075
400  1978-up         2.040, 1 groove   Sealed Power V2142

     VALVE - INTAKE SET OF 8
Speed Pro valves have chromed stems and swirl polished heads.
     2.040, 4 groove, stock   (SIL-1)  Sealed Power V2075*8
     2.040, 1 groove, stock   (SIL-1)  Sealed Power V2142*8
     2.190, 4 groove, stock    (1047)  Sealed Power V1880*8
     2.190, 1 groove, Boss    (SIL-1)  Sealed Power V1867*8
     2.190, 1 groove, perf.   (21-2N)  Speed Pro V8021R*8
     2.190, 1 groove, comp.     (422)  Speed Pro V2469R*8
     2.190, 1 groove, undercut  (422)  Speed Pro V2490R*8
     2.190, 1 groove, Titanium(TI6-4)  Speed Pro V4217R*8
     2.250, 1 groove, perf.   (21-2N)  Speed Pro V8022R*8
     2.250, 1 groove, Titanium(TI6-4)  Speed Pro V3999R*8
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For Reference only: Valve Train
Clearance Items only: Engine Bottom End | Gaskets

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ENGINE BOTTOM END

     FROST PLUG SET
     Steel                             U.S. Tool EPK-18         Clearance $ 4.00

     MAIN BEARING SET
351C 1970-74, stock full groove (TM77) TRW MS1010P.std          Clearance $27.00
351M 1975-76, stock               (CP) F-M 5107M.010            Clearance $29.00
351M 1975-76, stock full groove (TM77) TRW MS981P.std           Clearance $32.00
351M 1977-82, stock half groove (TM77) TRW MS1432P.std          Clearance $24.00
400  1971-76, stock               (CP) F-M 5107M.010            Clearance $29.00
400  1971-76, stock full groove (TM77) TRW MS981P.std           Clearance $32.00
400  1977-82, stock half groove (TM77) TRW MS1432P.std          Clearance $24.00

     RING SET (5/64-5/64-3/16)
     Moly cast                         Sealed Power E251K.060   Clearance $34.00
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GASKET SETS

     HEADER GASKET PAIR	
     Except 4V heads                   51774*2                  Clearance $10.00

     INTAKE MANIFOLD GASKET
351C 1970-74 4V, valley pan style      McCord MS99011           Clearance $13.00

     TIMING COVER GASKET SET           McCord ES39940-1         Clearance $8.00
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Last updated August 2012.
(C) Copyright 1996-2012 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.