360 cam identification

This what I recently found. I believe it maybe a CS-645 sealed power camshaft if so its a 318 2 barrel replacement with weak numbers.

Intake Duration at 050 inch Lift:181
Exhaust Duration at 050 inch Lift:192
Duration at 050 inch Lift:181 int./192 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.351 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.400 in.
Valve Lift with Factory Rocker Arm Ratio:0.351 in./0.400 exh.
Lobe Separation (degrees):109