Chevrolet Small Block Adv. Duration: 287/291 Duration @ .050": 252/256 Lift: .530/.535 Lobe Separation: 108 LC Included Lifters: 91115 Mechanical Flat Tappet 2600-6600. Small Base Circle. Hot Street/Strip, 10.0:1, 3000+ stall & single plane intake.
Chevrolet Small Block Adv. Duration: 287/291 Duration @ .050": 252/256 Lift: .530/.535 Lobe Separation: 108 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 2600-6600. Small Base Circle. Hot Street/Strip, 10.0:1, 3000+ stall & single plane intake.
Chevrolet Small Block Adv. Duration: 280/286 Duration @ .050": 252/258 Lift: .515/.515 Lobe Separation: 106 LC Included Lifters: 91115 Mech. Flat Tappet 3400-7200. .500" lift rule, 1/4 to 3/8 mile, also great open wheel with 1.8/1.7 rockers.
Chevrolet Small Block Adv. Duration: 279/285 Duration @ .050": 252/258 Lift: .515/.515 Lobe Separation: 106 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 3400-7200. .500" lift rule, 1/4 to 3/8 mile, also great open wheel with 1.8/1.7 rockers.
Chevrolet Small Block Adv. Duration: 280/288 Duration @ .050": 252/260 Lift: .540/.560 Lobe Separation: 106 LC Included Lifters: 91115 Mech. Flat Tappet 3000-7200. Great mid & top end oval track tight lash cam. Good on dirt or asphalt.