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COMP CAMSPART NUMBER: 249-K33-600-9
Thumpr Retro-Fit Hydraulic Roller Camshaft Complete 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 Complete Kit
- Lift: .557"/.539"
- Duration: 283°/303°
- Lobe Separation Angle: 107°
- RPM Range: 1900-5600
- Complete Camshaft 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
FE; 352; 361; 360; 390; 306; 410; 427; 427; Mustang; F100; Edsel; Fairlane; Torino; Cyclone GT; Comet; Mercury
High performance street, stock converter ok, best with 2,000+ converter and gears, choppy/thumping idle
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight28.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)241
Cam StyleHydraulic roller tappet
Grind Number283THR7
Exh. Duration Advertised (Deg)303
Locks IncludedYes
Engine Make/SizeFord 352-428
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.557
Int. Duration @ .050 In. (Deg)227
Assembly Lubricant IncludedYes
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 IncludedYes
UsageStreet/Hi-Performance
Valve Lift With Factory Rocker Arm Ratio0.557 int./0.539 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.539 in (13.691 mm)
Advertised Intake Duration283
Outside Diameter Of Outer Spring1.509 in (38.3 mm)
Intake Duration At 050 Inch Lift227
Exhaust Duration At 050 Inch Lift241
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration303
Lifter TypeHydraulic Roller Retrofit
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberK33-600-9
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
