Chevrolet Small Block Adv. Duration: 281/281 Duration @ .050": 246/246 Lift: .515/.515 Lobe Separation: 108 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 2500-6200. Hot Street/Bracket. Good mid-range performance.
Chevrolet Small Block Adv. Duration: 285/285 Duration @ .050": 250/250 Lift: .525/.525 Lobe Separation: 106 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 2800-6500. Best on 1/4 to 3/8 mile tight tracks. Big torque out of the corners. Needs headers.
Chevrolet Small Block Adv. Duration: 264/270 Duration @ .050: 236/242 Lift: .450/.450 Lobe Separation: 106 LC Included Lifters: 91118 Direct Lube Mech. Flat Tappet 2800-6200. Oval track, .450" Lift Rule, best on tight short tracks. Strong off corner.
Chevrolet Small Block Adv. Duration: 279/291 Duration @ .050": 241/253 Lift: .460/.488 Lobe Separation: 116 LC Included Lifters: 91115 Mech. Flat Tappet 2800-6600. American Muscle, Near duplicate of the Chev Z28/LT1 370HP/350, cam (GM #3972178).