COMP Cams Camshaft LS1 273Lr HR-112 - cca54-457-11

*LSR Camshafts* * Take advantage of today’s newer and better flowing aftermarket cylinder heads * Feature higher exhaust duration and overall lift to provide broadest powerband and most top end power of any COMP Cams LS camshaft * Unique grinds for both cathedral & rectangle port heads * Require 26926-16 high pressure valve springs PartNumber : cca54-457-11 Description : LS1 Camshaft Title : 54-457-11 CamShaft, LS1 273Lr HR-112 Advertised Exhaust Duration : 281 Advertised Intake Duration : 273 Assembly Lubricant Included : No Basic Operating RPM Range : 1,700-6,800 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 : LSR Cathedral Port Small Displacement/Max Torque Engine Family : GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) Exhaust Duration at .050 inch Lift : 231 Exhaust Valve Lift : 0.617 Grind Number : 273Lr HR12 Intake Duration at .050 Inch Lift : 223 Intake Valve Lift : 0.61 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 112 Valve Springs Required : Yes Exhaust Duration @ .050 in. : 231 Lifter Type : Hydraulic Roller Exhaust Valve Lift(in) : 0.617 Intake Valve Lift(in) : 0.610 Intake Duration : 273 Usage : Street/Performance Intake Duration @ .050 in. : 223 Exhaust Duration : 281 RPM Range : 1700-6800 Engine Components::Camshafts