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249-CL12-212-2
Magnum 280H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .480''
Duration: 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 RPM
Duration Advertised: 280° Intake / 280° Exhaust
Duration @ .050'' Lift: 230° Intake / 230° Exhaust
Valve Lift w/1.5 Rockers: .480'' Intake / .480'' Exhaust
Lobe Separation Angle: 110°
Thats the specs on the comp Here are the specs on the crane I just think the crane performs a little better there are a few differences in specs but the rpm range is what it thoguht was odd i was under the impression the comp 480 was a 3000-6000 as well.
270-100072 Advertised Duration: 284º
Duration @ .050: 228°
Lobe Separation: 112°
Gross Lift: .480''
RPM Range: 3000-6000
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