*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 : cca54-461-11 Description : LS1 Camshaft Title : 54-461-11 CamShaft, LS1 289LR HR-114 Advertised Exhaust Duration : 297 Advertised Intake Duration : 289 Assembly Lubricant Included : No Basic Operating RPM Range : 2,400-7,200 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 All Out Power Engine Family : GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) Exhaust Duration at .050 inch Lift : 247 Exhaust Valve Lift : 0.624 Grind Number : 289LR HR14 Intake Duration at .050 Inch Lift : 239 Intake Valve Lift : 0.624 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 114 Valve Springs Required : Yes Intake Duration : 289 Lifter Type : Hydraulic Roller Exhaust Duration @ .050 in. : 247 Usage : Street/Performance Exhaust Duration : 297 RPM Range : 2400-7200 Intake Valve Lift(in) : 0.624 Exhaust Valve Lift(in) : 0.624 Intake Duration @ .050 in. : 239 Engine Components::Camshafts