Description

Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam for Chevrolet Small Block 262-400

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

Grind Number: 295TH7Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)RPM Operating Range: 2,500-6,400Cam Type: Hydraulic Flat TappetLifter Style: Hydraulic Flat TappetCamshaft Series: ThumprCamshaft Gear Attachment: 3-BoltUsage: Street/StripValve Springs Required: YesCamshaft Material: Cast IronCalifornia Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.govAdvertised Intake Duration: 295Advertised Exhaust Duration: 313Intake Duration at .050 Inch Lift: 243Exhaust Duration at .050 Inch Lift: 257Intake Valve Lift: 0.5Exhaust Valve Lift: 0.486Lobe Separation: 107

Explore more from our collection.