Magnum 306S Mechanical Flat Tappet Camshaft
Lift: .629''/.629"
Duration: 306°/306°
Lobe Separation Angle: 110°
RPM Range: 3000-7000


*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.

Great for Pro Street or Bracket Racing. 3500+ stall or 4-speed, 11:1 compression, 4.10 or lower gear. Radical idle.

Operating Range:	3000-7000 RPM
Duration Advertised:	306° Intake / 306° Exhaust
Duration @ .050' Lift:	260° Intake / 260° Exhaust
Valve Lift w/1.7 Rockers:	.629' Intake / .629' Exhaust
Valve Setting:	.022' Intake / .022' 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


Jet boat with B impeller. Bracket race, 10.5:1+ compression. Use tunnel ram.

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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