High Energy 268H Hydraulic Flat Tappet Camshaft
RPM Range: 1500-5500
Chevy 262-400ci Small Block 1955-98
*Note: 50-State Legal for 1987 & earlier carbureted V-8 Small Block Chevy 262-400 C.A.R.B. E.O. #D-279-3, D-279-5, D-279-6.
**Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.
Good street performance with stock converter, choppy idle.
Operating Range: 1500-5500 RPM
Duration Advertised: 268° Intake / 268° Exhaust
Duration @ .050'' Lift: 218° Intake / 218° Exhaust
Valve Lift w/1.5 Rockers: .454'' Intake / .454'' Exhaust
Lobe Separation Angle: 110°
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Good street performance with stock converter, choppy idle. Biggest cam for inboard/outboard. Good for ski, economy and some performance.