
Product Discontinued
COMP CAMSPART NUMBER: 249-CL33-600-9
Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit Lift: .557"/.539"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Ford 352-428 c.i. 8 CYL. 1963-1977 Non-Factory Roller BlockThumpr
- Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit
- Lift: .557"/.539"
- Duration: 283°/303°
- Lobe Separation Angle: 107°
- RPM Range: 1900-5600
- Camshaft And Lifter Kit
- 3 Grinds To Fit All Of Your Performance Needs
- Long Exhaust Duration
- Produces A Powerful Hard-Hitting Exhaust Note
- Excellent Horsepower Gains And Broad Torque Curve
- Delivers Real Seat Of The Pants Performance
- Designed For Use w/Latest In ValveTrain Components
- 1 Year Limited Warranty
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.5
Package Length26.0
Weight18.0 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 352-428
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 Range1900-5800
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
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL33-600-9
Package Qty1
Package TypeEA
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