{"product_id":"comp-cams-54-273-11-gm-ls3-ls4-hv-series-camshaft","title":"COMP Cams 54-273-11 - GM LS3\/LS4 HV Series Camshaft","description":"\u003cp\u003eCOMP Cams 54-273-11 - GM LS3\/LS4 HV Series Camshaft\u003c\/p\u003e\u003cp\u003eCamshaft - HV - Hydraulic Roller - Lift 0.575 in \/ 0.570 in - Duration 271 \/ 278 - 111 LSA - 2500 \/ 6300 RPM - GM LS-Series - Each\u003c\/p\u003e\u003cp\u003eThis COMP Cams® HV NSR cam is designed for GMcathedral port 4.8L\/5.3L\/6.0L powered vehicles. Itprovides amazing drivability and throttle responsewhile also requiring minimal tuning.\u003c\/p\u003e\u003cp\u003eThis COMP Cams® HV cam is designed for GM cathedral port 4.8L\/5.3L\/6.0L powered vehicles. It provides amazing drivability and throttle response while also requiring minimal tuning. Torque is increased across the entire operating range while still producing +79 horsepower at peak. Get the most out of your daily driver truck, SUV or 4x4 without sacrificing street manners. The HV cam will provide a deep rumble with a mild, yet noticeable lope. At .575\" lift, this cam is designed to take advantage of  the inexpensive 26906 valve spring upgrade. Also compatible with stock converters.\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration\u003c\/strong\u003e: \u003cspan\u003e278\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Series\u003c\/strong\u003e: \u003cspan\u003eHV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Intake Duration\u003c\/strong\u003e: \u003cspan\u003e271\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUsage\u003c\/strong\u003e: \u003cspan\u003eStreet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift\u003c\/strong\u003e: \u003cspan\u003e226\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eLS271HV11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.57\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifter Type\u003c\/strong\u003e: \u003cspan\u003eRoller Tappet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lift with Factory Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e0.57\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Intake Centerline\u003c\/strong\u003e: \u003cspan\u003e106\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift\u003c\/strong\u003e: \u003cspan\u003e218\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Intake Duration\u003c\/strong\u003e: \u003cspan\u003e271\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.575\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lift with Factory Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e0.575\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration\u003c\/strong\u003e: \u003cspan\u003e278\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift\u003c\/strong\u003e: \u003cspan\u003e218\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifter Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLobe Separation\u003c\/strong\u003e: \u003cspan\u003e111\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift\u003c\/strong\u003e: \u003cspan\u003e226\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Lobe Lift\u003c\/strong\u003e: \u003cspan\u003e0.338\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Lobe Lift\u003c\/strong\u003e: \u003cspan\u003e0.335\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLobe Separation\u003c\/strong\u003e: \u003cspan\u003e111\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvance\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Open BBDC\u003c\/strong\u003e: \u003cspan\u003e49\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Open BTDC\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Close ATDC\u003c\/strong\u003e: \u003cspan\u003e-3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Close ABDC\u003c\/strong\u003e: \u003cspan\u003e35\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFactory Rocker Ratio\u003c\/strong\u003e: \u003cspan\u003e1.7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lash\u003c\/strong\u003e: \u003cspan\u003eHyd\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lash\u003c\/strong\u003e: \u003cspan\u003eHyd\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lift with Factory Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e0.575\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lift with Factory Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e0.57\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e: \u003cspan\u003e2500 - 6300\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDirect Injection\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVVT Compatible\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePhaser Requirement\u003c\/strong\u003e: \u003cspan\u003eNone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Management Strategy Compatible\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eComputer Controlled Compatible\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Springs Required\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Platform\u003c\/strong\u003e: \u003cspan\u003eGM LS GEN III\/IV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eLS271HV11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49959740539158,"sku":"COMP-54-273-11","price":404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_094438ecfe9e9abed0ae56fa465e38ed_normalized_1d93d02e-ed24-4b96-b4f6-733a3bd8286b.jpg?v=1776753677","url":"https:\/\/www.cspracing.com\/products\/comp-cams-54-273-11-gm-ls3-ls4-hv-series-camshaft","provider":"Complete Street Performance","version":"1.0","type":"link"}