{"product_id":"comp-cams-camshaft-ls1-273lr-hr-112-cca54-457-11","title":"COMP Cams Camshaft LS1 273Lr HR-112 - cca54-457-11","description":"*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 \u0026amp; 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 ","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":42580567621887,"sku":"","price":503.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/1106\/2015\/products\/1ce4ab29799b8a7776d4a55a2b573f1b__14907.jpg?v=1647915127","url":"https:\/\/aristocrat-autosport-llc.myshopify.com\/products\/comp-cams-camshaft-ls1-273lr-hr-112-cca54-457-11","provider":"Aristocrat Autosport ","version":"1.0","type":"link"}