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COMP CAMSPART NUMBER: 249-K51-602-9
Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit Lift: .532"/.519"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Pontiac 265-455ci 1955-1981 Non-Factory Roller BlockBig Mutha Thumpr
- Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit
- Lift: .532"/.519"
- Duration: 299°/319°
- Lobe Separation Angle: 107°
- RPM Range: 2300-6100
- Complete 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
Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight28.0 PG
Part CategoryPerformance Parts
UsageStreet/Strip
Intake Valve Lift0.532 in (13.513 mm)
Int. Duration Advertised (Deg)299
Exh. Duration @ .050 In. (Deg)257
Rpm Range2300-6100
Lifter TypeHydraulic Roller Retrofit
Exh. Duration Advertised (Deg)319
Engine Make/SizePontiac 265-455
Int. Duration @ .050 In. (Deg)243
Exhaust Valve Lift0.519 in (13.183 mm)
Vendor Part NumberK51-602-9
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
