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

Big Mutha' Thumpr™ : Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

SKU
01-602-8
$329.98
Engine Family: Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
RPM Operating Range: 2,500-6,200
Grind Number: 299THR7
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Thumpr
Camshaft Gear Attachment: 3-Bolt
Usage: Street/Strip
Valve Springs Required: Yes
Camshaft Material: Austempered Ductile Iron
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
Assembly Lubricant Included: No
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 53
Exhaust Open BBDC: 86
spec-card-valve-timing
Intake Open BTDC: 46
Intake Close ABDC: 73
Component Part Number
K-Kit Upgrade: K01-602-8
CL-Kit Upgrade: CL01-602-8