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COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits CL11-601-8

COMP Cams CL11-601-8 - COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits

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Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .558/.542, Chevy, Big Block, Kit

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  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Brand: COMP Cams

Manufacturer's Part Number: CL11-601-8

Part Type: Camshaft Kits

Product Line: COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits

Summit Racing Part Number: CCA-CL11-601-8

UPC: 036584153474

Cam Style: Hydraulic roller tappet

Basic Operating RPM Range: 2,000-5,800

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

Camshaft Gear Attachment: 3-bolt

Grind Number: 291THR7

Computer-Controlled Compatible: No

Lifters Included: Yes

Lifter Style: Hydraulic roller

Valve Springs Included: No

Retainers Included: No

Locks Included: No

Valve Stem Seals Included: No

Timing Chain and Gears Included: No

Assembly Lubricant Included: No

Pushrods Included: No

Rocker Arms Included: No

Gaskets Included: No

Valve Springs Required: Yes

Quantity: Sold as a kit.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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