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Competition Cams

Competition Cams CL11-600-4 Thumpr Camshaft/Lifter Kit

Compatible with Chevrolet Big Block 396-454

Part # COMCL11-600-4 Be the first to write a review

Competition Cams CL11-600-4 Thumpr Camshaft/Lifter Kit

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$431.32
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4

Emissions

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.

    See Emissions Details
Thumpr Camshaft/Lifter Kit; Retro-Fit Hydraulic Flat Tappet; 1800-5600 rpm; Adv. Dur. 279 Int./297 Exh.; Lift .498 Int./.483 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 Duration297
Advertised Intake Duration279
Brand Competition Cams
Camshaft StyleHydraulic Flat Tappet
Emission Code4
Exhaust Duration (at .050 inch Lift)241
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.483
Intake Duration (at .050 inch Lift)227
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.498
Lobe Separation (degrees)107
Operating RPM Range1800-5600
Product TypeCam & Lifter Kits
UPC036584181255
Manufacturer Part NumberCL11-600-4
Part NumberCOMCL11-600-4
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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