Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454

Big Mutha' Thumpr™ 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears, and headers, very rough idle.
In stock
SKU
CL11-602-4
$371.95
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range: 2,300-6,200
Grind Number: 295TH7
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Thumpr
Usage: Street/Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 295
Advertised Exhaust Duration: 313
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 257
Intake Valve Lift: 0.522
Exhaust Valve Lift: 0.507
Lobe Separation: 107
Camshaft Gear Attachment: 3-Bolt
Note Description
77