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Xtreme Energy 236/242 Hydraulic Roller Cam for Pontiac 265-455

Xtreme Energy 236/242 Hydraulic Roller Cam for Pontiac 265-455

Mutha' Thumpr 235/249 Hydraulic Roller for Pontiac 265-455

Mutha' Thumpr 235/249 Hydraulic Roller for Pontiac 265-455

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

$551.95
Thumpr™ 227/241 Hydraulic Roller Cam for Pontiac 265-455. High performance street, stock converter ok, best with 2000+ converter & gears, choppy/thumping idle. Distributor gear upgrade required.
In stock
SKU
51-600-11
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More Information
UPC 036584313021
Manufacturer COMP Cams®
Emissions Code
Engine Family Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range 1,700-5,500
Cam Type Hydraulic Roller
Camshaft Series Thumpr
Camshaft Gear Attachment 1-Bolt
Usage Street/Performance
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 283
Advertised Exhaust Duration 303
Intake Duration at .050 Inch Lift 227
Exhaust Duration at .050 Inch Lift 241
Intake Valve Lift 0.513
Exhaust Valve Lift 0.498
Lobe Separation 107
Lifter Style Hydraulic Roller
Recommended Components
Component Part Number
K-Kit Upgrade k51-600-11
CL-Kit Upgrade CL51-600-11
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