About this product
Magnum, 280H Cam & Lifter Kit
Hydraulic: Choppy idle, increased compression advised. Needs 2500 stall and lower gear, use headers.
Specifications
Lifter Type: Hydraulic Lifter
Engine Family: Pontiac 265-455 c.i. 8 cyl. 1955-1981
Cam Family: Magnum" Hydraulic Flat Tappet Camshafts
RPM Range: 2000 to 6000
Valve Timing: 0.006
Lobe Separation: 110°
Intake Centerline: 106°
Valve Lash: Hyd.(Intake)/ Hyd.(Exhaust)
Duration: 280(Intake)/ 280(Exhaust)
Duration @ .050" Lift: 230(Intake)/ 230(Exhaust)
Valve Lift: 0.48(Intake)/ 0.48(Exhaust)
Lobe Lift: 0.32(Intake)/0.32(Exhaust)
Vehicle Fitments:
Year Make Model Submodel 1980 Buick Century Estate, Base 1979 - 1980 Buick Century Limited, Sport 1979 Buick Century Special, Custom 1980 Buick Electra Park Avenue, Limited, Estate Wagon 1980 Buick Estate Wagon Base 1977 - 1980 Buick LeSabre Base 1977 - 1978 Buick LeSabre Custom 1977 Buick LeSabre Custom Sport 1979 - 1980 Buick LeSabre Limited 1978 - 1980 Buick LeSabre Sport 1979 - 1980 Buick Regal Sport, Base, Limited 1977 Buick Skylark Base, S, SR 1979 Oldsmobile Delta 88 Base, Royale 1976 - 1980 Pontiac Bonneville Brougham 1959 - 1962 Pontiac Bonneville Custom 1959 - 1980 Pontiac Bonneville Safari, Base 1964 - 1967 Pontiac Catalina 2+2 1971 - 1972 Pontiac Catalina Brougham 1959 - 1980 Pontiac Catalina Safari, Base 1962 - 1970 Pontiac Catalina Ventura 1967 - 1970 Pontiac Executive Safari, Base 1967 Pontiac Firebird 326 1968 - 1969 Pontiac Firebird 350 1969 Pontiac Firebird 350 HO 1967 - 1981 Pontiac Firebird Base 1970 - 1981 Pontiac Firebird Formula, Esprit 1967 - 1968 Pontiac Firebird HO 1967 - 1969 Pontiac Firebird Sprint, 400 1969 - 1981 Pontiac Firebird Trans Am 1973 - 1980 Pontiac Grand Am Base 1976 Pontiac Grand LeMans BR 1976 - 1981 Pontiac Grand LeMans LE 1981 Pontiac Grand LeMans SA 1975 - 1981 Pontiac Grand LeMans Safari, Base 1962 - 1980 Pontiac Grand Prix Base 1975 - 1980 Pontiac Grand Prix LJ, SJ 1971 - 1978 Pontiac Grand Safari Base 1971 - 1974 Pontiac Grandville Base 1975 Pontiac Grandville Brougham 1964 - 1973 Pontiac GTO Base 1970 - 1971 Pontiac GTO The Judge 1963 - 1981 Pontiac LeMans Base 1972 - 1974 Pontiac LeMans Luxury 1969 - 1981 Pontiac LeMans Safari 1974 Pontiac LeMans Safari Luxury 1970 - 1977 Pontiac LeMans Sport 1976 - 1977 Pontiac LeMans Sport Coupe 1971 Pontiac LeMans T37 1959 - 1966 Pontiac Star Chief Base 1966 Pontiac Star Chief Executive 1961 - 1970 Pontiac Tempest Base 1961 - 1969 Pontiac Tempest Custom, Safari 1970 Pontiac Tempest GT 1961 - 1962 Pontiac Tempest LeMans 1960 - 1977 Pontiac Ventura Base 1973 - 1975 Pontiac Ventura Custom 1974 Pontiac Ventura GTO 1975 Pontiac Ventura S 1975 - 1977 Pontiac Ventura SJDescription supplied by FR SPORT through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






