*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 : cca189-402-13 Description : XFI RPM Hi-Lift Camshaft Title : 189-402-13 CamShaft, GM LS 358 VVT 271PII HR14 Advertised Exhaust Duration : 285 Advertised Intake Duration : 271 Assembly Lubricant Included : No Basic Operating RPM Range : 1,900-7,000 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 1-Bolt Camshaft Material : Billet Steel Camshaft Series : XFI RPM Hi-Lift Engine Family : GM LS GEN IV Single Bolt w/ VVT (12606358) and w/o AFM 8 Cylinder (2008-2015) Exhaust Duration at .050 inch Lift : 232 Exhaust Valve Lift : 0.575 Grind Number : 271PIIHR14 Intake Duration at .050 Inch Lift : 218 Intake Valve Lift : 0.563 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 114 Usage : Street/Strip Valve Springs Required : Yes Lifter Type : Hydraulic Roller Exhaust Duration @ .050 in. : 232 Intake Duration : 271 Intake Duration @ .050 in. : 218 Exhaust Duration : 285 Intake Valve Lift(in) : 0.563 Exhaust Valve Lift(in) : 0.575 RPM Range : 1900-7000 Engine Components::Camshafts