Edelbrock 5857 Engine Valve Spring for Select Buick LeSabre, Oldsmobile 98, Oldsmobile Custom Cruiser, Oldsmobile Delta 88, Pontiac Acadian, Pontiac Bonneville, Pontiac Catalina, Pontiac Executive, Pontiac Firebird, Pontiac GTO, Pontiac Grand Am, Pontiac
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The Edelbrock #5857 Sure Seat Valve Spring for Pontiac 389-455 V8 1965 and later O.E Cast iron cylinder heads are made of highest quality spring wire and precision wound to close tolerances, our Sure Seat Valve Spring sets are for use on original equipment heads when installing Edelbrock Performer-Plus, Performer RPM and Torker-Plus camshafts. These are the same high-performance springs used on Edelbrock Performer and RPM cylinder heads. For camshaft warranty compliance, use only the springs recommended by Edelbrock for each camshaft application.
The Edelbrock #5857 Sure Seat Valve Spring for Pontiac 389-455 V8 1965 and later O.E Cast iron cylinder heads are for use on original equipment heads when installing Edelbrock Performer-Plus, Performer RPM and Torker-Plus camshafts.
Fits: 1975 Buick LeSabre, 1975 Oldsmobile 98, 1975 Oldsmobile Custom Cruiser, 1975 Oldsmobile Delta 88, 1970-1971 Pontiac Acadian, 1965-1978 Pontiac Bonneville, 1965-1978 Pontiac Catalina, 1967-1970 Pontiac Executive, 1967-1979 Pontiac Firebird, 1965-1973 Pontiac GTO, 1973-1975 Pontiac Grand Am, 1975-1977 Pontiac Grand LeMans, 1965-1977 Pontiac Grand Prix, 1971-1978 Pontiac Grand Safari, 1971-1975 Pontiac Grandville, 1966-1976 Pontiac Laurentian, 1968-1977 Pontiac LeMans, 1966-1976 Pontiac Parisienne, 1965-1966 Pontiac Star Chief, 1966-1970 Pontiac Strato-Chief, 1968-1970 Pontiac Tempest
Please review Specifications and the detailed fitment table for notes and exceptions.