Chevrolet Small Block Advertised Duration: 287/299 Duration @ .050": 252/261 Valve Lift w/1.73 Rockers: .530/.525 Lobe Separation Angle: 106 Intake Centerline: 102 Included Lifters: 91118 Direct Lube Mech. Flat Tappet 3000-6800. Best on 3/8 to 1/2 mile fast tracks. Super mid & upper RPM cam.
Chevrolet Small Block Adv. Duration: 294/294 Duration @ .050": 254/254 Lift: .485/.485 Lobe Separation: 114 LC Included Lifters: 91115 Mech. Flat Tappet 3800-7000. American Muscle. Rough idle, near duplicate of the famous Duntov 30-30 cam (GM #3849346).
Chevrolet Small Block Adv. Duration: 291/301 Duration @ .050": 256/266 Lift: .505/.505 Lobe Separation: 105 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 2800-7000. Great power, torque & throttle response. Great Sportsman cam. Features Direct Lube lifters.
Chevrolet Small Block Adv. Duration: 272/278 Duration @ .050": 244/250 Lift: .500/.500 Lobe Separation: 106 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 3200-6600. Oval track, .500" lift rule, best on tight short tracks. Strong off corner.