Proform 66948C 3 Sets of Springs for Select Buick Apollo, Buick Century, Buick Electra, Buick Estate Wagon, Buick LeSabre, Buick Regal, Buick Riviera, Buick Skylark, Chevrolet Bel Air, Chevrolet Blazer, Chevrolet C10, Chevrolet C10 Pickup, Chevrolet C10
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HEI Advance Curve Kit. Offered with three sets of springs for custom curving your own distributor.
Engine Distributor Advance Curve Kit
Fits: 1974-1975 Buick Apollo, 1974-1979 Buick Century, 1974-1981 Buick Electra, 1974-1976 Buick Estate Wagon, 1974-1980 Buick LeSabre, 1974-1977 Buick Regal, 1974-1979 Buick Riviera, 1975-1979 Buick Skylark, 1974-1981 Chevrolet Bel Air, 1974-1987 Chevrolet Blazer, 1975-1986 Chevrolet C10, 1974 Chevrolet C10 Pickup, 1974-1986 Chevrolet C10 Suburban, 1975-1986 Chevrolet C20, 1974 Chevrolet C20 Pickup, 1974-1986 Chevrolet C20 Suburban, 1975-1986 Chevrolet C30, 1974 Chevrolet C30 Pickup, 1974-1987 Chevrolet Camaro, 1974-1987 Chevrolet Caprice, 1974-1987 Chevrolet Corvette, 1974-1987 Chevrolet El Camino, 1975-1987 Chevrolet G10, 1974 Chevrolet G10 Van, 1975-1987 Chevrolet G20, 1974 Chevrolet G20 Van, 1975-1987 Chevrolet G30, 1974 Chevrolet G30 Van, 1974-1985 Chevrolet Impala, 1975-1986 Chevrolet K10, 1974 Chevrolet K10 Pickup, 1974-1986 Chevrolet K10 Suburban, 1975-1986 Chevrolet K20, 1974 Chevrolet K20 Pickup, 1974-1986 Chevrolet K20 Suburban, 1977-1986 Chevrolet K30, 1974 Chevrolet K30 Pickup, 1975-1986 Chevrolet K5 Blazer, 1975-1983 Chevrolet Malibu, 1974-1987 Chevrolet Monte Carlo, 1975-1979 Chevrolet Monza, 1974-1979 Chevrolet Nova, 1975-1979 Chevrolet P10, 1975-1987 Chevrolet P20, 1974 Chevrolet P20 Van, 1975-1987 Chevrolet P30, 1974 Chevrolet P30 Van, 1987 Chevrolet R10, 1987 Chevrolet R10 Suburban, 1987 Chevrolet R20, 1987 Chevrolet R20 Suburban, 1987 Chevrolet R30, 1987 Chevrolet V10, 1987 Chevrolet V10 Suburban, 1987 Chevrolet V20, 1987 Chevrolet V20 Suburban, 1987 Chevrolet V30, 1974-1984 Oldsmobile 98, 1974-1987 Oldsmobile Custom Cruiser, 1974-1981 Oldsmobile Cutlass, 1978-1984 Oldsmobile Cutlass Calais, 1980-1983 Oldsmobile Cutlass Cruiser, 1974-1987 Oldsmobile Cutlass Supreme, 1974-1985 Oldsmobile Delta 88, 1974-1979 Oldsmobile Omega, 1974-1985 Oldsmobile Toronado, 1974-1975 Oldsmobile Vista Cruiser, 1974-1981 Pontiac Bonneville, 1974-1981 Pontiac Catalina, 1974-1981 Pontiac Firebird, 1974-1980 Pontiac Grand Am, 1975-1981 Pontiac Grand LeMans, 1974-1981 Pontiac Grand Prix, 1974-1978 Pontiac Grand Safari, 1974-1975 Pontiac Grandville, 1976-1981 Pontiac Laurentian, 1974-1981 Pontiac LeMans, 1976-1981 Pontiac Parisienne, 1974-1977 Pontiac Ventura
Please review Specifications and the detailed fitment table for notes and exceptions.
