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54-408-11 Competition Cams Camshaft GM LS Gen III/IV Three-Bolt
54-408-11 Competition Cams Camshaft GM LS Gen III/IV Three-Bolt

54-408-11 Competition Cams Camshaft GM LS Gen III/IV Three-Bolt

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Your Price: $436.27 Free Shipping
The new XFI™ (Xtreme Fuel Injection) cams feature wider lobe separations for decreased
RVA #: C565440811
Availability: Backordered

54-408-11 Competition Cams Camshaft

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.

Applications

YearMakeModel
2004-2007 Buick Rainier
2006-2007 Cadillac CTS
2002-2006 Cadillac Escalade
2003-2006 Cadillac Escalade ESV
2002-2006 Cadillac Escalade EXT
2002-2006 Chevrolet Avalanche 1500
1998-2002 Chevrolet Camaro
2010-2012 Chevrolet Colorado
1997-2013 Chevrolet Corvette
2003-2007 Chevrolet Express 1500
2003-2007 Chevrolet Express 2500
2003-2007 Chevrolet Express 3500
1999-2009 Chevrolet Silverado 1500
2007-2007 Chevrolet Silverado 1500 Classic
2001-2003 Chevrolet Silverado 1500 HD
2005-2006 Chevrolet Silverado 1500 HD
2007-2007 Chevrolet Silverado 1500 HD Classic
1999-2004 Chevrolet Silverado 2500
2001-2007 Chevrolet Silverado 2500 HD
2001-2006 Chevrolet Silverado 3500
2007-2007 Chevrolet Silverado 3500 Classic
2003-2003 Chevrolet SSR
2005-2006 Chevrolet SSR
2000-2006 Chevrolet Suburban 1500
2000-2006 Chevrolet Suburban 2500
2000-2006 Chevrolet Tahoe
2006-2009 Chevrolet Trailblazer
2003-2006 Chevrolet Trailblazer EXT
2010-2012 GMC Canyon
2005-2009 GMC Envoy
2003-2006 GMC Envoy XL
2004-2005 GMC Envoy XUV
2003-2007 GMC Savana 1500
2003-2007 Hummer H2
2003-2006 Isuzu Ascender
2004-2006 Pontiac GTO
2005-2009 Saab 9-7x



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

Engine Compatibility : GM LS Gen III/IV Three-Bolt
Recommended Use : Mild Street Performance To Mild Race
Type : Hydraulic Roller
RPM - High : 5800
RPM - Low : 800
Intake Duration At 0.050 Inch Lift (DEG) : 206 Degree
Exhaust Duration At 0.050 Inch Lift (DEG) : 212 Degree
Advertised Intake Duration (DEG) : 259 Degree
Advertised Exhaust Duration (DEG) : 265 Degree
Intake Valve Lift (IN) : 0.515 Inch
Exhaust Valve Lift (IN) : 0.522 Inch
Lobe Separation Angle (DEG) : 112 Degree
Intake Centerline Angle (DEG) : 110 Degree
Computer-Controlled Compatible : No
Grind Number : XR259HR



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