Chevrolet Small Block Adv. Duration: 297/309 Duration @ .050": 262/274 Lift: .510/.535 Lobe Separation: 112 LC Included Lifters: 91115 Mechanical Flat Tappet 3400-7400. Hot Pro-Street & Bracket Racing. Works well with NOS.
Chevrolet Small Block Adv. Duration: 283/291 Duration @ .050": 248/256 Lift: .510/.505 Lobe Separation: 106 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 3000-7000. 1/4 to 3/8 mile tracks. Great all-around short track cam.
Chevrolet Small Block Adv. Duration: 313/321 Duration @ .050": 278/286 Lift: .550/.570 Lobe Separation: 110 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 4200-8000. Large 400+ Bracket, broad upper mid-range & top end power. Needs good heads.
Chevrolet Small Block Adv. Duration: 281/287 Duration @ .050": 246/252 Lift: .520/.530 Lobe Separation: 106 LC Included Lifters: 91115 Mechanical Flat Tappet 2600-6500. Short Track profile, best on 1/4 to 3/8 mile tracks. 2 barrel OK.
Chevrolet Small Block Adv. Duration: 287/299 Duration @ .050": 252/264 Lift: .545/.555 Lobe Separation: 106 LC Included Lifters: 91115 Mechanical Flat Tappet 3000-7000. Best on fast 1/4 to 3/8 mile. Larger cubic inch 383+ recommended. 11.0:1+.