Pontiac V8 265-455 1955-1981Advertised Duration: 271/280Duration @ .050": 198/208Lift: .404/.408Lobe Separation Angle: 111Intake Centerline: 98Valve Lash: Hyd./Hyd.1600-5000. Near duplicate of the Pontiac Ram Air I/II 375HP/400 cam (GM #9779067).
Pontiac V8 265-455 1955-1981 Adv. Duration: 259/269Duration @ .050": 205/215Lift: .420/.445
Lobe Separation: 112 LCIncludes Lifters: No800-4800. Street Force 1, Good idle, Mild Street performance, strong low end torque.
Pontiac V8 265-455 1955-1981Advertised Duration: 288/302Duration @ .050": 212/225Lift: .408/.408Lobe Separation Angle: 115Intake Centerline: 113Valve Lash: Hyd./Hyd.1800-5200. Near duplicate of the Pontiac 390HP/428 cam (GM #9779068).
Pontiac V8 265-455 1955-1981 Adv. Duration: 267/277Duration @ .050": 213/223Lift: .450/.450
Lobe Separation: 112 LCIncludes Lifters: No1500-5800. Street Force 2, Good idle & throttle response. Needs 4 barrel & good exhaust.
Pontiac V8 265-455 1955-1981 Adv. Duration: 279/289Duration @ .050": 225/235Lift: .490/.488
Lobe Separation: 112 LC
1800-6000. Street Force 3, Noticeable idle, Hot Street & mild Bracket Racing.