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Competition Cams

Competition Cams 12-318-4 High Energy Marine Camshaft 268AH-10

Part # COM12-318-4 Be the first to write a review

High Energy Marine 222/226 Hydraulic Flat Cam Compatible with Chevrolet Small Block

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Competition Cams 12-318-4 High Energy Marine Camshaft 268AH-10

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  • High Energy Marine Hydraulic Flat Tappet Camshaft
  • Fits 265-400 cu.in. small block Chevrolet V8s
  • RPM Range: 2,400 to 5,400 rpm
  • Duration @ .050" lift: 222/226 (int/exh)
  • Valve lift: .464/.464 (int/exh)
  • Good for jet boat with A impeller, strong mid range power.

Features:

  • Work well with mainly stock components (rockers, manifolds, heads, compression, converters, gears…)
  • Good blend of efficiency and performance
  • Perfect choice for performance rebuilds
  • Not the optimum choice for racing applications
  • Great choice for engines where performance upgrades are not planned
Advertised Exhaust Duration276
Advertised Intake Duration268
Brand Competition Cams
Camshaft StyleHydraulic Flat Tappet
Emission Code4
Exhaust Duration (at .050 inch Lift)226
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.464
Intake Duration (at .050 inch Lift)222
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.464
Lobe Separation (degrees)110
Operating RPM Range2400-5400
Product TypeCamshafts
UPC036584610434
Manufacturer Part Number12-318-4
Part NumberCOM12-318-4
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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