Chevrolet Small Block Adv. Duration: 273/273 Duration @ .050": 221/221 Lift: .510/.510 Lobe Separation: 114LC Included Lifters: 91164N Hyd. Roller 1800-5600. Turbo, Good idle. High Performance Street, stock converter ok, best with 1800+ and gears.
Chevrolet Gen III/IV LS Series 3-Bolt Adv. Duration: 264/277 Duration @ .050": 218/230 Lift: .525/.525 Lobe Separation: 115LC Included Lifters: 91113 1600-6400. Blower, Best in Street Rod with 5.3 to 5.7L (10+ psi). Great mid-range.
Chevrolet Gen III/IV LS Series 3-Bolt Adv. Duration: 274/274 Duration @ .050": 224/224 Lift: .612/.612 Lobe Separation: 115LC Included Lifters: 91113 Hyd. Roller 1800-6800. Turbo, Street/Strip performance, Good mid-range power.
Chevrolet Gen III/IV LS Series 3-Bolt Adv. Duration: 274/286 Duration @ .050": 224/234 Lift: .612/.638 Lobe Separation: 115LC Included Lifters: 91113 Hyd. Roller 1800-7000. Blower Aggressive Street/Strip, ideal for supercharged or NOS applications.
Chevrolet Gen III/IV LS Series 3-Bolt Adv. Duration: 284/292 Duration @ .050": 236/244 Lift: .625/.625 Lobe Separation: 115LC Included Lifters: 91113 Hyd. Roller 1800-7000. Blower, Aggressive Street/Strip, ideal for supercharged or NOS applications.