Overview
Brand:
COMP Cams
Manufacturer’s Part Number:
K11-601-8
Part Type:
Camshaft Kits
Product Line:
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
Summit Racing Part Number:
CCA-K11-601-8
UPC:
036584153504
Cam Style:
Hydraulic roller tappet
Basic Operating RPM Range:
2,000-5,800
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
235
Exhaust Duration at 050 inch Lift:
249
Duration at 050 inch Lift:
235 int./249 exh.
Advertised Intake Duration:
291
Advertised Exhaust Duration:
311
Advertised Duration:
291 int./311 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.558 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.542 in.
Valve Lift with Factory Rocker Arm Ratio:
0.558 int./0.542 exh.
Lobe Separation (degrees):
107
Grind Number:
291THR7
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
Yes
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Double roller
Assembly Lubricant Included:
No
Pushrods Included:
Yes
Intake Overall Length (in.):
7.750 in.
Exhaust Overall Length (in.):
8.700 in.
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine’s nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.
Warranty