COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits K31-600-8

Overview

Brand:
COMP Cams
Manufacturer’s Part Number:
K31-600-8
Part Type:
Camshaft Kits
Product Line:
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
Summit Racing Part Number:
CCA-K31-600-8
UPC:
036584215028
Cam Style:
Hydraulic roller tappet
Basic Operating RPM Range:
1,900-5,600
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Thumpr, high performance street. Stock converter OK, but best with 2000+ converter and gears. Choppy, idle.
Intake Duration at 050 inch Lift:
227
Exhaust Duration at 050 inch Lift:
241
Duration at 050 inch Lift:
227 int./241 exh.
Advertised Intake Duration:
283
Advertised Exhaust Duration:
303
Advertised Duration:
283 int./303 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.531 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.515 in.
Valve Lift with Factory Rocker Arm Ratio:
0.531 int./0.515 exh.
Lobe Separation (degrees):
107
Grind Number:
283THR7
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:
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