*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 : cca12-466-8 Description : Xtreme Fuel Injection Camshaft Title : 12-466-8 CamShaft, CS 268XFI HR-13 Usage : Street/Performance Valve Springs Required : Yes Advertised Exhaust Duration : 276 Advertised Intake Duration : 268 Assembly Lubricant Included : No Basic Operating RPM Range : 1,800-5,800 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Austempered Ductile Iron Camshaft Series : XFI Engine Family : Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Exhaust Duration at .050 inch Lift : 224 Exhaust Valve Lift : 0.565 Grind Number : 268XFI HR-13 Intake Duration at .050 Inch Lift : 218 Intake Valve Lift : 0.57 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 113 Cam and Lifter Kit Upgrade : CL12-466-8 K-Kit Upgrade : K12-466-8 SK-Kit Upgrade : SK12-466-8 Exhaust Duration @ .050 in. : 224 Intake Valve Lift(in) : 0.570 Exhaust Valve Lift(in) : 0.565 Intake Duration @ .050 in. : 218 Exhaust Duration : 276 Intake Duration : 268 Lifter Type : Hydraulic Roller Retrofit RPM Range : 1000-7000 Engine Components::Camshafts