Description
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.Brand: COMP Cams
Manufacturer's Part Number: K31-601-8
Part Type: Camshaft Kits
Product Line: COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
HP Direct Part Number: CCA-K31-601-8
UPC: 036584215042
Cam Style: Hydraulic roller, Retro-fit
Basic Operating RPM Range: 2,500-6,200
Camshaft Use: Street/Strip
Camshaft Manufacturers Description: High performance street/strip, needs 9:1 compression, 2500+stall, intake, gears and headers, rough idle.
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: 0.540 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.526 in.
Valve Lift with Factory Rocker Arm Ratio: 0.540 int./0.526 exh.
Lobe Separation (degrees): 107
Grind Number: 291THR7
Computer-Controlled Compatible: No
Lifters Included: Yes
Lifter Style: Hydraulic roller
Valve Springs Included: Yes
Outside Diameter of Outer Spring (in.): 1.430 in.
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: Yes
Pushrods Included: No
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: Yes
Quantity: Sold as a kit.
Manufacturer's Part Number: K31-601-8
Part Type: Camshaft Kits
Product Line: COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
HP Direct Part Number: CCA-K31-601-8
UPC: 036584215042
Cam Style: Hydraulic roller, Retro-fit
Basic Operating RPM Range: 2,500-6,200
Camshaft Use: Street/Strip
Camshaft Manufacturers Description: High performance street/strip, needs 9:1 compression, 2500+stall, intake, gears and headers, rough idle.
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: 0.540 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.526 in.
Valve Lift with Factory Rocker Arm Ratio: 0.540 int./0.526 exh.
Lobe Separation (degrees): 107
Grind Number: 291THR7
Computer-Controlled Compatible: No
Lifters Included: Yes
Lifter Style: Hydraulic roller
Valve Springs Included: Yes
Outside Diameter of Outer Spring (in.): 1.430 in.
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: Yes
Pushrods Included: No
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: Yes
Quantity: Sold as a kit.
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