Flywheel Bolt Kit by ARP These Pro series flywheel bolts from ARP give you all that you need to bolt in your flywheel with confidence. They\’re much stronger than OEM hardware, are forged from aerospace alloy, and are heat-treated prior to thread rolling and machining. These bolts feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved flywheel register. Features Rear Main Seal Style: 1-piece Thread Size: 7/16 in.-20 Underhead Length (in.): 0.875 in. Washer Included: No Head Style: 12-point Fastener Finish: Black oxide Fastener Material: Chromoly Benefits Much stronger than OEM hardware Forged from aerospace alloy Heat-treated prior to thread rolling and machining Please Note: Fits engines with Tilton flywheel only. Uses 1/2 in. socket. Applications 1957 Chevy 150 1957 Chevy 210 1957 – 1958 Chevy 3100 1957 – 1958 Chevy 3200 1957 – 1958 Chevy 3400 1957 – 1958 Chevy 3500 1957 – 1958 Chevy 3600 1957 – 1958 Chevy 3700 1957 – 1958 Chevy 3800 1957 – 1967, 1969 – 1973 Chevy Bel Air 1958 – 1967, 1969-1972 Chevy Biscayne 1969 – 1994 Chevy Blazer 1969 – 1972 Chevy Brookwood 1967 – 1999 Chevy Camaro 1966 – 1967, 1969 – 1972 Chevy Caprice 1964 – 1967, 1970 – 1972 Chevy Chevelle 1963 – 1967 Chevy Chevy II 1975 – 1999 Chevy CK Pickup 1957 – 1961, 1969 – 1981, 1984 – 1999 Chevy Corvette 1958 Chevy Del Ray 1959 – 1960, 1964 – 1981 Chevy El Camino 1967, 1970 – 1990 Chevy G-Series 1958 – 1967, 1969 – 1973 Chevy Impala 1969 – 1971 Chevy Kingswood 1999 Chevy L30 1975 – 1976 Chevy Laguna 1973 – 1981 Chevy Malibu 1970 – 1973, 1975 – 1979, 1981 Chevy Monte Carlo 1975 – 1979 Chevy Monza 1958 – 1961 Chevy Nomad 1969 – 1979 Chevy Nova 1961 – 1962, 1975 – 1999 Chevy P-Series 1957 – 1958 Chevy Sedan Delivery 1995 – 1998 Chevy Silverado 1967, 1969 – 1984, 1987 – 1994 Chevy Suburban 1995 – 1996 Chevy Tahoe 1969 – 1971 Chevy Townsman 1958 Chevy Yeoman What\’s In The Box? 6 – Bolts Warranty Manufacturers Standard Warranty