COMP Cams Camshaft CS 287Qs9 .900 Base - cca12-473-44

*4-Pattern Camshafts* * Optimize valve events based on runner length * Feature a large increase in both area under the curve and stability at high RPM * Feature four lobe patterns; one intake & exhaust design for outboard runners and another intake & exhaust design for inboard runners * Technology developed and race-proven in NASCAR PartNumber : cca12-473-44 Description : 4 Pattern Retro Fit Small Base Hydraullic Roller Camshaft Title : 12-473-44 CamShaft, CS 287QS9 .900 Base Circle Inboard Intake Valve Lift : 0.627 Lifter Style : Hydraulic Roller Lifters Included : No Outboard Exhaust Duration at .050 inch Lift : 246 Outboard Exhaust Valve Lift : 0.618 Outboard Intake Duration at .050 Inch Lift : 236 Outboard Intake Valve Lift : 0.63 Usage : Street/Strip Valve Springs Required : Yes Advertised Inboard Exhaust Duration : 299 Advertised Inboard Intake Duration : 287 Advertised Outboard Exhaust Duration : 301 Advertised Outboard Intake Duration : 289 Assembly Lubricant Included : No Basic Operating RPM Range : 2,400-6,700 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Billet Steel Camshaft Series : 4-Pattern Small Base Circle Engine Family : Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Grind Number : 287QS9 Inboard Exhaust Duration at .050 inch Lift : 244 Inboard Exhaust Valve Lift : 0.614 Inboard Intake Duration at .050 Inch Lift : 234 Exhaust Duration @ .050 in. : 246 Intake Valve Lift(in) : 0.637 Intake Duration : 289 Intake Duration @ .050 in. : 236 Lifter Type : Hydraulic Roller Retrofit Exhaust Duration : 301 RPM Range : 2400-6700 Exhaust Valve Lift(in) : 0.621 Engine Components::Camshafts