Features the correct 4-rivet-per-blade …. Chevelle / Malibu / El Camino: 1964–1968 (Big Block & Small Block). Chevrolet Corvette: 1964–1965 (327ci Small Block) & early 1966 (396ci / 427ci Big Block). Chevrolet Camaro SS / RS: 1967–1968 (Small Block & Big Block with A/C).
