Thumpr 227/241 Hydraulic Roller Cam for OE Roller SBC 305-350

Thumpr™ 227/241 Hydraulic Roller Cam for OE Roller SBC 305-350. High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Available Soon
SKU
08-600-8
Available Soon items may take 2-4 weeks for delivery.
$396.95
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
RPM Operating Range: 1,900-5,600
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: 0.513
Exhaust Valve Lift: 0.498
Lobe Lift Intake: 0.342
Lobe Lift Exhaust: 0.332
Lobe Separation: 107
Intake Centerline: 102
Exhaust Close ATDC: 45
Intake Open BTDC: 38
Exhaust Open BBDC: 78
Intake Close ABDC: 65
Camshaft Gear Attachment: 3-Bolt
Note Description
4646
111111
Component Part Number
Break-In Lube: 159
Cam and Lifter and Gear Drive Upgrade: GK08-600-8
CL-Kit Upgrade: CL08-600-8
K-Kit Upgrade: K08-600-8
Lifter Kit: 850-16  /   875-16
Rocker Arms: 1417-16
Steel Retainers: 787-16
Timing Set: 2136  /   3136
Valve Locks: 648-16
Valve Seals: 501-16
Valve Springs: 26918-16  /   26981-16