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Competition Cams

Competition Cams K12-602-8 Big Mutha Thumpr Camshaft Kit

Part # COMK12-602-8 Be the first to write a review

Compatible with Chevrolet Small Block

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Competition Cams K12-602-8 Big Mutha Thumpr Camshaft Kit

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Big Mutha Thumpr Camshaft Kit; Retro-Fit HydraulicRoller; 2500-6200 rpm; Adv.Dur. 299 Int./319 Exh.; Lift .531 Int/.517 Exh.; Lobe 107 deg.; Incl. Cam/V.Spring/Ret/Lock/Seal/Timing Set;

Features:

  • Complete Kit Includes : Camshaft , Lifters, Valve Springs, Retainers, Valve Locks / Stem Seals, Timing Chain Set, 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 Duration319
Advertised Intake Duration299
Brand Competition Cams
Camshaft StyleHydraulic Roller
Emission Code4
Exhaust Duration (at .050 inch Lift)257
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.517
Intake Duration (at .050 inch Lift)243
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.531
Lobe Separation (degrees)107
Operating RPM Range2,500-6,200
Product TypeCamshaft Kits
UPC036584153450
Manufacturer Part NumberK12-602-8
Part NumberCOMK12-602-8
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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