This listing is for a Falcon Performance single pattern hydraulic flat tappet camshaft and lifter kit for Generation I small block Chevrolet V-8 engines (non-computer controlled). P/N CL1006+C3023K. Cam kit contains camshaft, lifters, and cam zinc additive lube. Camshaft specifications are as follows: ADVERTISED DURATION (INT/EXH): 284°/284° (true advertised is 268/268 by Comp computation) DURATION at .050″ (INT/EXH): 218°/218° VALVE LIFT (w/1.5 rockers): .458″/.458″ CENTER LINE: 110° RPM RANGE: 1500-5500 NOTES: Fine with stock converter. Decent idle.