Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Thumpr™ 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454. High performance street, stock converter ok, best with 2000+ converter & gears, choppy/thumping idle.
In stock
SKU
11-600-8
$522.95
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range: 1,900-5,500
Grind Number: 283THR7
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Thumpr
Usage: Street/Performance
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 283
Advertised Exhaust Duration: 303
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 Inch Lift: 241
Intake Valve Lift: 0.547
Exhaust Valve Lift: 0.53
Lobe Separation: 107
Exhaust Close ATDC: 45
Intake Open BTDC: 38
Exhaust Open BBDC: 78
Intake Close ABDC: 65
Camshaft Gear Attachment: 3-Bolt
Note Description
1010
4646
Component Part Number
Break-In Lube: 159
Cam and Lifter and Gear Drive Upgrade: GK11-600-8
CL-Kit Upgrade: CL11-600-8
Distributor Gears: 12200  /   12140
K-Kit Upgrade: K11-600-8
Lifter Kit: 15854-16  /   854-16
Rocker Arms: 1411-16
Steel Retainers: 741-16  /   795-16
Timing Set: 2110CPG  /   3110CPG
Valve Locks: 612-16  /   616-16
Valve Seals: 505-16
Valve Springs: 924-16  /   26120-16