High Energy 252H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .425''/.425"
Duration: 252°/252°
RPM Range: 800-4800
C.A.R.B. Approved*

*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.

Strong torque, excellent mileage for 327-400ci, has smooth idle, likes high axle ratios.

Operating Range:	800-4800 RPM
Duration Advertised:	252° Intake / 252° Exhaust
Duration @ .050' Lift:	206° Intake / 206° Exhaust
Valve Lift w/1.5 Rockers:	.425' Intake / .425' 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


Strong torque, excellent mileage for 327-400c.i., has smooth idle, likes high axle ratios.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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