Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chevrolet Small Block 262-400

Mutha' Thumpr™ 235/249 Hydraulic Roller Cam for Chevrolet Small Block 262-400. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
In stock
Warning: Camshaft Optimized for use with a Melanized or Nitrided distributor gear. Not compatible with cast or steel gears without similar surface treatments. Failure to utilize the proper distributor gear will void all warranties and/or return policies.
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 2,200-5,900
Grind Number: 291THR7
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Thumpr
Usage: Street/Performance
California Proposition 65: WARNING: Cancer and Reproductive Harm
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: 0.521
Exhaust Valve Lift: 0.507
Lobe Separation: 107
Camshaft Gear Attachment: 3-Bolt
Note Description
Component Part Number
Cam and Lifter and Gear Drive Upgrade: GK12-601-8
CL-Kit Upgrade: CL12-601-8
K-Kit Upgrade: K12-601-8