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Competition Cams

Competition Cams 12-601-8 Mutha Thumpr Camshaft

Part # COM12-601-8 Be the first to write a review

Mutha' Thumpr 235/249 Hydraulic Roller Cam Compatible with Chevrolet Small Block

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Competition Cams 12-601-8 Mutha Thumpr Camshaft

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

Features:

  • 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 TypeCamshafts
UPC036584148395
Manufacturer Part Number12-601-8
Part NumberCOM12-601-8
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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