Howards Cams Max Certified Hydraulic Flat Tappet Camshaft & Lifter Sets Pontiac V8 265-455 1955-1981 Lift: .450/.450 Duration @ .050: 213/213 Lobe Separation Angle: 111 LS 5-Year No Fault Warranty Held to Strict Tolerances High grade quality cores Includes Matching Performance Hydraulic Lifters Includes 4 oz. Bottle of Max ZPM Break-In Additive |