*XFI Camshafts* * Newest and quickest lobe profiles in the Xtreme family; provide a terrific increase in performance * Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation without loss of responsiveness) * Work well with aftermarket cylinder heads & feature high lift PartNumber : cca146-428-11 Description : XFI Broad Power Band Camshaft Title : 146-428-11 CamShaft, GM LS2/LS3 1 Bolt XR 281HR-13 Intake Valve Lift(in) : 0.571 RPM Range : 2200-7200 Exhaust Duration @ .050 in. : 240 Exhaust Duration : 293 Intake Duration @ .050 in. : 228 Lifter Type : Hydraulic Roller Usage : Street/Strip Exhaust Valve Lift(in) : 0.59 Intake Duration : 281 Assembly Lubricant Included : No California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Camshaft Gear Attachment : 1-Bolt Camshaft Material : Billet Steel Camshaft Series : XFI Engine Family : GM LS2/LS3 GEN IV Single-Bolt w/o VVT and AFM 8 Cylinder (2007-2015) Grind Number : XR281HR-13 Lifters Included : No Lobe Separation : 113 Valve Springs Required : Yes 1998-2002 Chevrolet Camaro Z28 V8.-cc Engine Components::Camshafts 1998-2002 Chevrolet Camaro Z28 SS V8.-cc Engine Components::Camshafts 2003 Chevrolet Corvette 50th Anniversary Edition V8.-cc Engine Components::Camshafts 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car V8.-cc Engine Components::Camshafts 1997-2004 Chevrolet Corvette Base V8.-cc Engine Components::Camshafts 1998 Chevrolet Corvette Indianapolis 500 Pace Car V8.-cc Engine Components::Camshafts 2001-2004 Chevrolet Corvette Z06 V8.-cc Engine Components::Camshafts 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Camshafts 1998-2002 Pontiac Firebird Trans Am V8.-cc Engine Components::Camshafts 2004 Pontiac GTO Base V8.-cc Engine Components::Camshafts