Description
Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam GK-Kit for OE Roller SBCBig Mutha’ Thumpr 243/257 Hydraulic Roller Cam
Advertised Exhaust Duration: 319 DD
Advertised Intake Duration: 299 DD
Basic Operating RPM Range: 1 900-5 600 R3
Cam Type: Hydraulic Roller
Camshaft Series: Thumpr
Engine Family: Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Exhaust Duration at .050 inch Lift: 257 DD
Exhaust Valve Lift: 0.519″
Gaskets Included: No
Intake Duration at .050″ Lift: 243 DD
Intake Valve Lift: 0.533″
Kit Type:GK-Kit – Cam and Gear Kit
Lifter Type: Hydraulic Roller
Lifters Included: Yes
Locks Included: No
Pushrods Included: No
Retainers Included: No
Timing Chain and Gears Included:Yes
Usage: Street/Strip
Valve Stem Seals Included: No
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