Thumpr 227/241 Hydraulic Flat Cam GK-Kit for Chevrolet Small Block


Includes Cam, Lifters, & Timing Set

• Hydraulic Flat Tappet; For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam

• High Performance Street • Stock Converter Ok • Best w/ 2000+ Converter & Gears. Choppy/Thumping Idle

Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 2,000-5,800
Grind Number: 279TH7
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Thumpr
Usage: Street/Performance
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 279
Advertised Exhaust Duration: 297
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 Inch Lift: 241
Intake Valve Lift: 0.479
Exhaust Valve Lift: 0.465
Lobe Separation: 107
Note Description
7Stock springs cannot be used
93GK-Kit contains cam, lifters & gear drive
Component Part Number
K-Kit Upgrade: K12-600-4