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Thumpr 227/241 Hydraulic Flat Cam for Pontiac 265-455

Thumpr 227/241 Hydraulic Flat Cam for Pontiac 265-455

Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Pontiac 265-455

Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Pontiac 265-455

Mutha' Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455

$419.95
Mutha' Thumpr™ 235/249 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
In stock
SKU
CL51-601-5
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More Information
UPC 036584214946
Manufacturer COMP Cams®
Emissions Code
Engine Family Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range 2,200-6,100
Cam Type Hydraulic Flat Tappet
Camshaft Series Thumpr
Camshaft Gear Attachment 1-Bolt
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 287
Advertised Exhaust Duration 305
Intake Duration at .050 Inch Lift 235
Exhaust Duration at .050 Inch Lift 249
Intake Valve Lift 0.49
Exhaust Valve Lift 0.475
Lobe Separation 107
Lifter Style Hydraulic Flat Tappet
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