Magnum 280H Hydraulic Flat Tappet Camshaft Complete Kit
Lift: .520''/.520"
Duration: 280°/280°
RPM Range: 2000-6000


In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Great for street machines. Use headers and 9.5:1 compression. In 396-402 use 2500 stall, lower gears. Rough idle.

Operating Range:	2000-6000 RPM
Duration Advertised:	280° Intake / 280° Exhaust
Duration @ .050' Lift:	230° Intake / 230° Exhaust
Valve Lift w/1.7 Rockers:	.520' Intake / .520' Exhaust
Lobe Separation Angle:	110°

Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


Great for street machines. Use headers and 9:1+ compression. In 396-402c.i. use 2500+ stall, lower 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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