Chevrolet SB 305/350 1987-1998 w/Stepped Nose (Carbureted) Adv. Duration: 280/288 Duration @ .050": 227/235 Lift: .525/.530
Lobe Separation: 109 LC Included Lifters: 91113 Hyd. Roller 1800-5600. Rattler, Choppy idle. High performance street, stock converter ok, best with 1800+ and gears. |