Skip to main content
Competition Cams

Competition Cams 12-602-20 Nitrided Big Mutha Thumpr Camshaft

Part # COM12-602-20 Be the first to write a review

Big Mutha' Thumpr NIT 243/257 Hydraulic Flat Cam Compatible with Chevrolet Small Block

Read More

Competition Cams 12-602-20 Nitrided Big Mutha Thumpr Camshaft

Not Available

Nitrided Big Mutha Thumpr Camshaft; Hydraulic Flat Tappet; 2500-6400 rpm; Adv. Dur. 295 Int./313 Exh.; Lift .5 Int./.486 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
Brand Competition Cams
Emission Code4
Product TypeCamshafts
UPC036584177944
Manufacturer Part Number12-602-20
Part NumberCOM12-602-20
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

Reviews

    Your Review

    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.