*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 : cca624-512-13 Description : XFI AFM Camshaft Title : 624-512-13 CamShaft, GM GEN V LT1 LTAV 26 6PII HR16 Advertised Exhaust Duration : 274 Advertised Intake Duration : 262 Assembly Lubricant Included : No Basic Operating RPM Range : 1,600-6,750 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Material : Billet Steel Camshaft Series : XFI AFM Engine Family : GM LT1 GEN V w/ VVT and w/ AFM 8 Cylinder (2014+) Exhaust Duration at .050 inch Lift : 226 Exhaust Valve Lift : 0.529 Grind Number : 266PIIHR16 Intake Duration at .050 Inch Lift : 214 Intake Valve Lift : 0.572 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 116 Usage : Street/Performance Valve Springs Required : Yes Exhaust Duration @ .050 in. : 226 Exhaust Valve Lift(in) : 0.529 Intake Valve Lift(in) : 0.572 Lifter Type : Hydraulic Roller Exhaust Duration : 274 RPM Range : 1600-6600 Intake Duration : 262 Intake Duration @ .050 in. : 214 Engine Components::Camshafts