Speedmaster Hydraulic Roller Camshaft for Sale


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Price: $215.00

This is a new cam. I ordered this cam for my block, which is a roller cam block ( Vortec block). This cam, from my understanding, will not work in a vortec block. It's for older blocks. 283-400 SBC


"IMPORTANT!" THIS CAM IS FOR PRE-87 BLOCKS!"


Cam Style:           Hydraulic roller tappet


Basic Operating RPM Range:       1,600-5,400


Intake Duration at 050 inch Lift: 218


Exhaust Duration at 050 inch Lift:             224


Duration at 050 inch Lift:              218 int./224 exh.


Advertised Intake Duration:         270


Advertised Exhaust Duration:      276


Advertised Duration:       270 int./276 exh.


Intake Valve Lift with Factory


Rocker Arm Ratio:           0.495 in.


Exhaust Valve Lift with Factory


Rocker Arm Ratio:           0.502 in.


Valve Lift with Factory Rocker Arm Ratio:              0.495 int./0.502 exh.


Lobe Separation (degrees):          110


Computer-Controlled Compatible:            No


Valve Springs Required:  Yes


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