Comp Cams LS Engines XFI XE-R 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

54-446-11

New product

XFI™ XE-R LS Engines Camshaft #54-446-11

GM LS Gen III/IV 8 Cyl. '97-Current Three-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L Engines

Intake Duration At 0.050 Inch Lift (DEG)232

Exhaust Duration At 0.050" Lift (DEG)234
Intake Valve Lift (IN)0.595" 
Exhaust Valve Lift (IN)0.598"
Lobe Separation Angle (DEG)112
Intake Centerline Angle (DEG)110

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CAD$579.95

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The new XFI™ (Xtreme Fuel Injection) cams feature wider lobe separations for decreased overlap, yielding a more efficient combustion process. These cams are specifically engineered to work with fuel injected Engines. XFI™ cams deliver faster Valve openings and closings while maintaining complete Valve train control. This results in dramatic improvement in performance and durability. Electronic fuel injected Engines have very different Camshaft requirements from those of carbureted Engines. Carbureted Engines require a strong signal at the carb booster to draw the correct fuel mixture into the combustion chamber. Since that excess flow is not required with EFI engines, Camshaft lobe profiles can be manipulated for increased performance. The XFI™ Camshafts were designed to work in conjunction with recent Valve train technology advancements including COMP's super clean "Beehive" Valve springs and increased ratio Pro Magnum rocker arms. Additionally, the XFI™ Camshafts take advantage of the high velocity EFI style Cylinder head intake ports, intake manifolds and combustion chamber designs, Stock Valve train components should not be used with the XFI™ Cams.
Engine CompatibilityGM LS Gen III/IV Three-Bolt
Recommended UseMild Street Performance To Mild Race
TypeHydraulic Roller
RPM - High7200
RPM - Low2400
Intake Duration At 0.050 Inch Lift (DEG)232 Degree
Exhaust Duration At 0.050 Inch Lift (DEG)234 Degree
Advertised Intake Duration (DEG)281 Degree
Advertised Exhaust Duration (DEG)283 Degree
Intake Valve Lift (IN)0.595 Inch
Exhaust Valve Lift (IN)0.598 Inch
Lobe Separation Angle (DEG)112 Degree
Intake Centerline Angle (DEG)110 Degree
Computer-Controlled CompatibleNo
Grind NumberXER281HR

Features
  • Feature Wider Lobe Separations For Decreased Overlap, Yielding A More Efficient Combustion Process
  • Deliver Faster Valve Openings And Closings While Maintaining Complete Valve Train Control, This Results In Dramatic Improvement In Performance And Durability
  • Limited 1 Year Warranty

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Comp Cams LS Engines XFI XE-R 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

Comp Cams LS Engines XFI XE-R 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

XFI™ XE-R LS Engines Camshaft #54-446-11

GM LS Gen III/IV 8 Cyl. '97-Current Three-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L Engines

Intake Duration At 0.050 Inch Lift (DEG)232

Exhaust Duration At 0.050" Lift (DEG)234
Intake Valve Lift (IN)0.595" 
Exhaust Valve Lift (IN)0.598"
Lobe Separation Angle (DEG)112
Intake Centerline Angle (DEG)110