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Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chevrolet Big Block GEN VI

$522.95
Big Mutha' Thumpr™ 243/257 Hydraulic Roller Cam for Chevrolet Big Block GEN VI. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
TEMPORARILY OUT OF STOCK
SKU
01-602-8
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More Information
UPC 036584211952
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
RPM Operating Range 2,500-6,200
Cam Type Hydraulic Roller
Camshaft Series Thumpr
Camshaft Gear Attachment 3-Bolt
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 299
Advertised Exhaust Duration 319
Intake Duration at .050 Inch Lift 243
Exhaust Duration at .050 Inch Lift 257
Intake Valve Lift 0.569
Exhaust Valve Lift 0.554
Lobe Lift Intake 0.335
Lobe Lift Exhaust 0.326
Lobe Separation 107
Intake Centerline 102
Valve Timing Lift 0.006
Exhaust Close ATDC 53
Intake Open BTDC 46
Exhaust Open BBDC 86
Intake Close ABDC 73
Lifter Style Hydraulic Roller
CUSTOMER SUPPORT
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