COMP Cams CL12-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

★★★★★ 4.4 109 reviews

US$156.38
Price when purchased online
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US$156.38
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 219384627 Release Date 2026/05/03 List Price US$156.38 Model Number 219384627
Category

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

  • Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
  • 2,500-6,400 RPM Operating Range
  • 243/257 Duration at .050". 107 Degree Lobe Separation Angle. 0.500"/0.486" Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
  • Made in USA
Brand Comp Cams
Model COMP Cams
Item Weight 13.23 pounds
Manufacturer COMP Cams
OEM Part Number N
Item model number CL12-602-4
Product Dimensions 25.3 x 5.4 x 3 inches
Manufacturer Part Number CL12-602-4
Is Discontinued By Manufacturer No

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