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Competition Cams

Competition Cams 54-446-11 Xtreme XE-R XER281HR Hydraulic Roller Camshaft

Part # COM54-446-11 Be the first to write a review

Compatible with GM LS GEN III/IV with 3-Bolt Camshaft

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Competition Cams 54-446-11 Xtreme XE-R XER281HR Hydraulic Roller Camshaft

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  • XFI XE-R" Hydraulic Roller Camshaft
  • Fits GM Gen III LS1, LS2, and LS6 V8s
  • RPM Range: 2,400 to 7,200 rpm
  • Duration @ .050" lift: 232/234 (int/exh)
  • Valve lift: .595/.598 (int/exh)
  • Design for standard displacement LS1 and LS6.
  • Race Only Applications.
Advertised Exhaust Duration283
Advertised Intake Duration281
Brand Competition Cams
Camshaft StyleHydraulic Roller
Emission Code4
Exhaust Duration (at .050 inch Lift)234
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.598
Intake Duration (at .050 inch Lift)232
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.595
Lobe Separation (degrees)112
Operating RPM Range2400-7200
Product TypeCamshafts
UPC036584068662
Manufacturer Part Number54-446-11
Part NumberCOM54-446-11
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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