Xtreme Marine Hydraulic Flat Tappet Camshaft
Chevy Big Block 396-454ci 1965-96
Lift: .570"/.575"
Duration: 288°/304°
Lobe Separation Angle: 112°
RPM Range: 2500-6500

*Note: 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.

Jet with 'A' or 'B' impeller, 9.5:1 compression, needs headers, performance use.

Operating Range:	2500-6500 RPM
Duration Advertised:	288° Intake / 304° Exhaust
Duration @ .050' Lift:	244° Intake / 254° Exhaust
Valve Lift w/1.7 Rockers:	.570' Intake / .575' Exhaust
Lobe Separation Angle:	112°

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


Jet w/ A or B impeller, 9.5:1+ compression, needs headers, performance use.

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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