Thumpr Hydraulic Roller Camshaft <br> 67-96 Big Block Chevy 396-454 V8

Description:

Big Mutha' Thumpr 243/257 Hydraulic Roller GK-Kit for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears, and headers, very rough idle.

Features:

Advertised Exhaust Duration: 319 DD

Lifter Type: Hydraulic Roller

Intake Valve Lift: 0.57 IN

Advertised Intake Duration: 299 DD

Intake Duration at .050 Inch Lift: 243 DD

Gaskets Included: No

Exhaust Valve Lift: 0.554 IN

Exhaust Duration at .050 inch Lift: 257 DD

Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

Camshaft Series: Thumpr

Cam Type: Hydraulic Roller

Kit Type: GK-Kit - Cam and Gear Kit

Basic Operating RPM Range: 2,500-6,100

Valve Stem Seals Included: No

Usage: Street/Strip

Timing Chain and Gears Included: Yes

Retainers Included: No

Pushrods Included: No

Locks Included: No

Lifters Included: Yes

Package Includes:

Engine Camshaft Kit