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Thumpr Hydraulic Roller Camshaft <br> 67-96 Big Block Chevy 396-454 V8
COMP CAMS
®

Thumpr Hydraulic Roller Camshaft
67-96 Big Block Chevy 396-454 V8

SKU: CCA-GK11-602-8
$1,485.95

Availability: Out Of Stock

Specification
Product Description Reviews
Description:

Big Mutha' Thumpr 243/257 Hydraulic Roller GK-Kit for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears, and headers, very rough idle.

Features:

  • Advertised Exhaust Duration: 319 DD
  • Lifter Type: Hydraulic Roller
  • Intake Valve Lift: 0.57 IN
  • Advertised Intake Duration: 299 DD
  • Intake Duration at .050 Inch Lift: 243 DD
  • Gaskets Included: No
  • Exhaust Valve Lift: 0.554 IN
  • Exhaust Duration at .050 inch Lift: 257 DD
  • Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
  • Camshaft Series: Thumpr
  • Cam Type: Hydraulic Roller
  • Kit Type: GK-Kit - Cam and Gear Kit
  • Basic Operating RPM Range: 2,500-6,100
  • Valve Stem Seals Included: No
  • Usage: Street/Strip
  • Timing Chain and Gears Included: Yes
  • Retainers Included: No
  • Pushrods Included: No
  • Locks Included: No
  • Lifters Included: Yes


  • Package Includes:

  • Engine Camshaft Kit


  • WARNING: This product contains chemicals known to the State. For more information go to https://www.p65warnings.ca.gov/