COMP Cams CL31-603-5 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Ford 221-302


Price:
$325.19 Buy on Amazon

In Stock..

Product Details
  • Manufacturer:
    COMP Cams
  • Release:
    2016-11-26T00:00:01Z
  • Model:
    CL31-603-5
Product Features
  • 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.
  • Fits Ford 221-302 w/ OE Flat Tappet Cams
  • 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.
  • 243/257 Duration at .050". 107 Degree Lobe Separation Angle. 0.512"/0.497" Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Made in USA
  • 2,500-6,400 RPM Operating Range
  • Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.