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Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit for Pontiac 265-455

$707.95
Big Mutha' Thumpr™ 243/257 Hydraulic Flat Cam K-Kit for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
TEMPORARILY OUT OF STOCK
SKU
k51-602-5
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More Information
UPC 036584214953
Manufacturer COMP Cams®
Emissions Code
Engine Family Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
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 295
Advertised Exhaust Duration 313
Intake Duration at .050 Inch Lift 243
Exhaust Duration at .050 Inch Lift 257
Intake Valve Lift 0.501
Exhaust Valve Lift 0.486
Lobe Separation 107
Lifter Style Hydraulic Flat Tappet
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