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Competition Cams

Competition Cams 08-602-8 Big Mutha Thumpr Camshaft

Part # COM08-602-8 Be the first to write a review

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam Compatible with OE Roller SBC

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Competition Cams 08-602-8 Big Mutha Thumpr Camshaft

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Big Mutha Thumpr Camshaft; Retro-Fit Hydraulic Roller; 1900-5600 rpm; Adv. Dur. 299 Int./319 Exh.; Lift .533 Int/.519 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 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)0.519
Intake Duration (at .050 inch Lift)243
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.533
Lobe Separation (degrees)107
Operating RPM Range1900-5600
Product TypeCamshafts
UPC036584171997
Manufacturer Part Number08-602-8
Part NumberCOM08-602-8
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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