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Competition Cams

Competition Cams 11-254-4 Xtreme Energy Camshaft

Part # COM11-254-4 Be the first to write a review

Xtreme Energy 250/256 Hydraulic Flat Cam Compatible with Chevrolet Big Block 396-454

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Competition Cams 11-254-4 Xtreme Energy Camshaft

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Xtreme Energy Camshaft; Hydraulic Flat Tappet; 2800-7000 rpm; Adv. Dur. 294 Int./306 Exh.; Lift .588 Int./.593 Exh.; Lobe Angle 110 deg.;

Features:

  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows a step up in duration for greater performance
  • Best seller; excellent all around performance in street carbureted applications
  • Work best with COMP Cams® roller rockers and matched valve springs
  • Require other performance parts (intake manifold, headers, etc.) for best performance
Advertised Exhaust Duration306
Advertised Intake Duration294
Brand Competition Cams
Camshaft StyleHydraulic Flat Tappet
Emission Code4
Exhaust Duration (at .050 inch Lift)256
Exhaust Valve Lift(w/ Factory Rocker Arm Ratio)0.593
Intake Duration (at .050 inch Lift)250
Intake Valve Lift (w/ Factory Rocker Arm Ratio)0.588
Lobe Separation (degrees)110
Operating RPM Range2800-7000
Product TypeCamshafts
UPC036584023722
Manufacturer Part Number11-254-4
Part NumberCOM11-254-4
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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