Elgin E1839P Performance Cam Camshaft Chevy LS LS1 .575" Lift 286° Duration
High Performance Cam for 1997-2007 Chevy GM LS V8 Engines without AFM-Active Fuel Management. 3 bolt Cam. Stock valve springs cannot be used. Not compatible with Active Fuel Management (AFM). An AFM delete kit and/or disabling the AFM through the ECM is required. Custom computer tuning required. Fair Idle Quality with Lope. Good Mid-Range torque and response 2,400-3,200 RPM. Operating power range between 2,000-4,800 RPM. Good Fuel economy cam with correct equipment. Good Cam for Light Towing. Compression Ratio 10.3:1 or less. Will work with Stock or slightly modified engine. Seat pressure 110# closed 280# open. 3.70:1 or higher Axle Ratio. Specs: Duration @ .050": Intake: 220° Exhaust: 224° Advertised Duration: Intake: 286° Exhaust: 282° Valve Lift: Intake: .575" Exhaust: .575" Lobe Separation: Intake: 108° Exhaust: 116° Power Range: 2,500-6,000 Idle: Noticeable/Fair