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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL32-600-8
Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit Lift: .557"/.539"
$86795
Ships on 09/15/2026
Lowest Price GuaranteeFord 351C, 351M-400M 8 cyl. 1970-1983 Non-Factory Roller BlockThumper
- Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit
- Lift: .557"/.539"
- Duration: 283°/303°
- Lobe Separation Angle: 107°
- RPM Range: 1900-5600
Note: Requires 249-31-1000 install kit.Ford, 351, 351 Cleveland, 400, 351 Modified, 400 Modified, Ford F100, Mach 1, Mustang
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.1
Package Width5.4
Package Length25.3
Weight14.15 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)241
Cam StyleHydraulic roller tappet
Grind Number283THR7
Exh. Duration Advertised (Deg)303
Locks IncludedNo
Engine Make/SizeFord 351M-400
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.557
Int. Duration @ .050 In. (Deg)227
Assembly Lubricant IncludedNo
Basic Operating Rpm Range1,900-5,600
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.557 in (14.148 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)283
Lobe Separation (Deg)107
Rpm Range1900-5600
Lifter StyleHydraulic roller
Advertised Duration283 int./303 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.539
Valve Springs IncludedNo
UsageStreet/Hi-Performance
Valve Lift With Factory Rocker Arm Ratio0.557 int./0.539 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.539 in (13.691 mm)
Advertised Intake Duration283
Intake Duration At 050 Inch Lift227
Exhaust Duration At 050 Inch Lift241
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration303
Lifter TypeHydraulic Roller Retrofit
Part FitmentSemi Universal
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL32-600-8
Package Qty1
Package TypeEA
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