Competition Cams 31-603-5 Big Mutha Thumpr Camshaft
Competition Cams 31-603-5 Big Mutha Thumpr Camshaft
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Competition Cams

Competition Cams 31-603-5 Big Mutha Thumpr Camshaft

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Key item 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® Beehiveâ„¢ Valve Springs and roller rockers
  • Works best with looser converters, more rear end gear and other performance engine modifications
Current price is $386.64
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