Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Complete Kit
Lift: .507"/.510''
Duration: 284°/296°
RPM Range: 2300-6500


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.

Street/Strip, needs 2800+ stall, likes headers & gears, rough idle.

Operating Range:	2300-6500 RPM
Duration Advertised:	284° Intake / 296° Exhaust
Duration @ .050' Lift:	240° Intake / 246° Exhaust
Valve Lift w/1.5 Rockers:	.507' Intake / .510' 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


Street/strip, 2800+ stall, likes headers and gears, rough idle.

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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