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Competition Cams

Competition Cams CL12-601-8 Mutha Thumpr Camshaft/Lifter Kit

Part # COMCL12-601-8 Be the first to write a review

Compatible with Chevrolet Small Block

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Competition Cams CL12-601-8 Mutha Thumpr Camshaft/Lifter Kit

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Mutha Thumpr Camshaft/Lifter Kit; Retro-Fit Hydraulic Roller; 2200-5900 rpm; Adv. Dur. 291 Int./311 Exh.; Lift .521 Int/.507 Exh.; Lobe Angle 107 deg.; Includes Cam & Lifters;

Features:

  • "CL-Kit " - Cam & Lifter Kit Includes : Camshaft , Lifters, Assembly Lube, Decals, and Instructions
  • Great sound (early exhaust opening and more overlap)
  • Great power (new lobe designs give great area and air flow)
  • Great mid-range response (early intake closing traps more air)
  • Minimal engine vacuum - requires mods for any vacuum accessories such as power brakes
  • Designed for use only with valve train upgrades including COMP Cams® Beehive™ Valve Springs and roller rockers
  • Works best with looser converters, more rear end gear and other performance engine modifications
Advertised Exhaust Duration311
Advertised Intake Duration291
Brand Competition Cams
Camshaft StyleHydraulic Roller
Emission Code4
Exhaust Duration (at .050 inch Lift)249
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.507
Intake Duration (at .050 inch Lift)235
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.521
Lobe Separation (degrees)107
Operating RPM Range2200-5900
Product TypeCam & Lifter Kits
UPC036584153412
Manufacturer Part NumberCL12-601-8
Part NumberCOMCL12-601-8
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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