Seller notes

Magnum 280H Hydraulic Flat Tappet Camshaft & Lifter KitLift: .480''/.480"Duration: 280�280�RPM Range: 2000-6000 *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.Great for street machines. Needs stall, headers & gears. Rough idle.Operating Range:2000-6000 RPMDuration Advertised:280° Intake / 280° ExhaustDuration @ .050'' Lift:230° Intake / 230° ExhaustVal...

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