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Big Mutha' Thumpr 242/257 Hydraulic Flat Cam K-Kit for Oldsmobile 260-455

$706.95
Big Mutha' Thumpr™ 242/257 Hydraulic Flat Cam K-Kit for Oldsmobile 260-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
TEMPORARILY OUT OF STOCK
SKU
k42-602-5
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More Information
UPC 036584214892
Manufacturer COMP Cams®
Emissions Code
Engine Family Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
RPM Operating Range 2,500-6,400
Cam Type Hydraulic Flat Tappet
Camshaft Series Thumpr
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 294
Advertised Exhaust Duration 312
Intake Duration at .050 Inch Lift 242
Exhaust Duration at .050 Inch Lift 257
Intake Valve Lift 0.512
Exhaust Valve Lift 0.497
Lobe Separation 107
Lifter Style Hydraulic Flat Tappet
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