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

$314.95
Thumpr™ 227/241 Hydraulic Flat Cam for Pontiac 265-455 Thumpr™™™ - High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
In stock
SKU
51-600-5
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More Information
UPC 036584213246
Manufacturer COMP Cams®
Emissions Code
Engine Family Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range 2,000-5,800
Cam Type Hydraulic Flat Tappet
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 279
Advertised Exhaust Duration 297
Intake Duration at .050 Inch Lift 227
Exhaust Duration at .050 Inch Lift 241
Intake Valve Lift 0.478
Exhaust Valve Lift 0.465
Lobe Lift Intake 0.319
Lobe Lift Exhaust 0.31
Lobe Separation 107
Intake Centerline 102
Valve Timing Lift 0.006
Exhaust Close ATDC 41
Intake Open BTDC 36
Exhaust Open BBDC 76
Intake Close ABDC 63
Lifter Style Hydraulic Flat Tappet
CUSTOMER SUPPORT
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