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

54-416-11

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XFI RPM XR273HR  #54-416-11

LS1 LS2 LS3 LS6 LS7 LSA LSX 

Street Strip LS Engines Camshaft for High RPM Power Likes Higher Rocker Ratios

Intake Duration At 0.050 Inch Lift (DEG): 220
Exhaust Duration At 0.050 Inch Lift (DEG): 224
Intake Valve Lift (IN): 0.530 Inch
Exhaust Valve Lift (IN): 0.534 Inch
Lobe Separation Angle (DEG): 112 Degree
Intake Centerline Angle (DEG): 110 Degree

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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 Compatibility: GM LS Gen III/IV Three-Bolt
Recommended Use: Mild Street Performance To Mild Race
Type: Hydraulic Roller
RPM - High: 6600
RPM - Low: 1600
Intake Duration At 0.050 Inch Lift (DEG): 220 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 224 Degree
Advertised Intake Duration (DEG): 273 Degree
Advertised Exhaust Duration (DEG): 277 Degree
Intake Valve Lift (IN): 0.530 Inch
Exhaust Valve Lift (IN): 0.534 Inch
Lobe Separation Angle (DEG): 112 Degree
Intake Centerline Angle (DEG): 110 Degree
Computer-Controlled Compatible: No
Grind Number: XR273HR

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 RPM 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

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

XFI RPM XR273HR  #54-416-11

LS1 LS2 LS3 LS6 LS7 LSA LSX 

Street Strip LS Engines Camshaft for High RPM Power Likes Higher Rocker Ratios

Intake Duration At 0.050 Inch Lift (DEG): 220
Exhaust Duration At 0.050 Inch Lift (DEG): 224
Intake Valve Lift (IN): 0.530 Inch
Exhaust Valve Lift (IN): 0.534 Inch
Lobe Separation Angle (DEG): 112 Degree
Intake Centerline Angle (DEG): 110 Degree