Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chevrolet Big Block GEN VI

Mutha' Thumpr™ : High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

SKU
01-601-8
$329.98
 
Engine Family: Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
RPM Operating Range: 2,200-5,900
Grind Number: 291THR7
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: 291
Advertised Exhaust Duration: 311
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 Inch Lift: 249
Intake Valve Lift: 0.557
Exhaust Valve Lift: 0.542
Lobe Lift Intake: 0.328
Lobe Lift Exhaust: 0.319
Lobe Separation: 107
Intake Centerline: 102
Assembly Lubricant Included: No
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 49
Exhaust Open BBDC: 82
spec-card-valve-timing
Intake Open BTDC: 42
Intake Close ABDC: 69
Component Part Number
K-Kit Upgrade: K01-601-8
CL-Kit Upgrade: CL01-601-8