Product InformationYukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon. Fits GM 12 bolt passenger car and truck. Yukon small parts are manufactured to meet or exceed OEM specifications to help complete every installation. 12P & 12T GM POSI X/PIN BOLTFits: Buick Wildcat Base 1964 to 1969 Buick Wildcat Custom 1965 to 1970 Buick Wildcat Deluxe 1965 Buick Wildcat Gran Sport 1966 Chevrolet Bel Air Base 1964 to 1972 Chevrolet Biscayne Base 1964 to 1972 Chevrolet Blazer Base 1969 to 1974 Chevrolet Blazer Custom Deluxe 1987 Chevrolet Blazer Silverado 1987 Chevrolet C10 Big Ten 1978 to 1980 Chevrolet C10 Cheyenne 1975 to 1981 Chevrolet C10 Custom 1981 to 1986 Chevrolet C10 Custom Deluxe 1975 to 1980 Chevrolet C10 Deluxe 1981 Chevrolet C10 Scottsdale 1975 to 1986 Chevrolet C10 Silverado 1975 to 1986 Chevrolet C10 Pickup Base 1963 to 1974 Chevrolet Camaro Base 1967 to 1972 Chevrolet Camaro RS 1967 to 1972 Chevrolet Camaro SS 1967 to 1972 Chevrolet Camaro Z28 1967 to 1972 Chevrolet Caprice Base 1966 to 1970 Chevrolet Chevelle 300 1967 to 1968 Chevrolet Chevelle 300 Deluxe 1967 to 1969 Chevrolet Chevelle Base 1964 to 1968 Chevrolet Chevelle Base 1970 to 1972 Chevrolet Chevelle Concours 1967 to 1972 Chevrolet Chevelle Concours Estate 1969 to 1972 Chevrolet Chevelle Deluxe 1965 to 1967 Chevrolet Chevelle Greenbrier 1969 to 1972 Chevrolet Chevelle Malibu 1968 to 1972 Chevrolet Chevelle Nomad 1968 to 1972 Chevrolet Chevelle SS 1964 to 1972 Chevrolet Chevy II Base 1964 to 1967 Chevrolet Chevy II Nova 1964 to 1968 Chevrolet Chevy II Nova SS 1964 to 1967 Chevrolet El Camino Base 1965 to 1972 Chevrolet El Camino Custom 1968 to 1972 Chevrolet El Camino SS 1968 to 1972 Chevrolet G10 Beauville 1975 to 1981 Chevrolet G10 Bonaventure 1981 Chevrolet G10 Chevy Van 1975 to 1981 Chevrolet G10 Sportvan 1975 to 1981 Chevrolet G10 Van Base 1967 Chevrolet G10 Van Base 1969 to 1974 Chevrolet G10 Van Sportvan 1968 to 1974 Chevrolet Impala Base 1964 to 1973 Chevrolet Impala SS 1964 to 1967 Chevrolet K10 Cheyenne 1975 to 1981 Chevrolet K10 Custom 1981 to 1986 Chevrolet K10 Custom Deluxe 1975 to 1980 Chevrolet K10 Deluxe 1981 Chevrolet K10 Scottsdale 1975 to 1986 Chevrolet K10 Silverado 1975 to 1986 Chevrolet K10 Pickup Base 1963 to 1974 Chevrolet K10 Suburban Base 1967 to 1974 Chevrolet K10 Suburban Custom 1981 to 1985 Chevrolet K10 Suburban Custom Deluxe 1975 to 1980 Chevrolet K10 Suburban Deluxe 1981 Chevrolet K10 Suburban Scottsdale 1975 to 1980 Chevrolet K10 Suburban Scottsdale 1982 Chevrolet K10 Suburban Scottsdale 1984 to 1985 Chevrolet K10 Suburban Silverado 1975 to 1977 Chevrolet K10 Suburban Silverado 1979 to 1980 Chevrolet K10 Suburban Silverado 1982 to 1983 Chevrolet K10 Suburban Silverado 1985 Chevrolet K5 Blazer Base 1976 Chevrolet K5 Blazer Cheyenne 1975 to 1980 Chevrolet K5 Blazer Custom 1981 to 1986 Chevrolet K5 Blazer Custom Deluxe 1975 Chevrolet K5 Blazer Custom Deluxe 1977 to 1980 Chevrolet K5 Blazer Deluxe 1981 Chevrolet K5 Blazer Scottsdale 1984 Chevrolet K5 Blazer Silverado 1978 Chevrolet K5 Blazer Silverado 1980 to 1986 Chevrolet Malibu Base 1964 to 1967 Chevrolet Monte Carlo Base 1970 to 1972 Chevrolet Nova Base 1969 to 1972 Chevrolet R10 Custom Deluxe 1987 Chevrolet R10 Scottsdale 1987 Chevrolet R10 Silverado 1987 Chevrolet Suburban Base 1963 to 1966 Chevrolet V10 Custom Deluxe 1987 Chevrolet V10 Scottsdale 1987 Chevrolet V10 Silverado 1987 Chevrolet V10 Suburban Custom Deluxe 1987 Chevrolet V10 Suburban Scottsdale 1987 Chevrolet V10 Suburban Silverado 1987 GMC C15 Base 1975 to 1978 GMC C15 Heavy Half 1977 to 1978 GMC C15 High Sierra 1975 to 1978 GMC C15 Indy Hauler 1977 GMC C15 Sierra Classic 1975 to 1978 GMC C15 Sierra Grande 1975 to 1978 GMC C15 Street Coupe 1978 GMC C15 Suburban Base 1975 to 1978 GMC C15 Suburban High Sierra 1975 to 1978 GMC C15 Suburban Sierra Classic 1975 to 1978 GMC C15 Suburban Sierra Grande 1975 to 1978 GMC C15/C1500 Pickup Base 1967 to 1974 GMC C15/C1500 Suburban Base 1967 to 1974 GMC C1500 Base 1979 to 1986 GMC C1500 Heavy Half 1979 to 1980 GMC C1500 High Sierra 1979 to 1986 GMC C1500 Sierra Classic 1979 to 1986 GMC C1500 Sierra Grande 1979 to 1982 GMC C1500 Street Coupe 1979 to 1982 GMC C1500 Suburban Base 1979 to 1986 GMC C1500 Suburban High Sierra 1979 to 1986 GMC C1500 Suburban Sierra Classic 1979 to 1986 GMC C1500 Suburban Sierra Grande 1979 to 1982 GMC C25/C2500 Suburban Base 1967 GMC G15 Rally 1975 to 1978 GMC G15 Rally STX 1975 to 1978 GMC G15 Vandura 1975 to 1978 GMC G15/G1500 Van Base 1967 GMC G15/G1500 Van Base 1970 to 1971 GMC G15/G1500 Van Rally 1968 to 1969 GMC G15/G1500 Van Rally 1971 to 1974 GMC G15/G1500 Van Vandura 1968 to 1974 GMC G1500 Base 1964 to 1966 GMC G1500 Rally 1979 to 1987 GMC G1500 Rally Custom 1983 to 1984 GMC G1500 Rally STX 1979 to 1987 GMC G1500 Vandura 1979 to 1987 GMC G25 Rally 1975 to 1978 GMC G25 Rally STX 1975 to 1978 GMC G25 Vandura 1975 to 1978 GMC G25/G2500 Van Base 1967 GMC G25/G2500 Van Base 1970 to 1972 GMC G25/G2500 Van Rally 1968 to 1969 GMC G25/G2500 Van Rally 1971 to 1974 GMC G25/G2500 Van Vandura 1968 to 1974 GMC G2500 Rally 1979 to 1981 GMC G2500 Rally STX 1979 to 1981 GMC G2500 Vandura 1979 to 1981 GMC K15 Base 1975 to 1978 GMC K15 High Sierra 1975 to 1978 GMC K15 Indy Hauler 1977 GMC K15 Sierra Classic 1975 to 1978 GMC K15 Sierra Grande 1975 to 1978 GMC K15 Suburban Base 1975 to 1978 GMC K15 Suburban High Sierra 1975 to 1978 GMC K15 Suburban Sierra Classic 1975 to 1978 GMC K15 Suburban Sierra Grande 1975 to 1978 GMC K15/K1500 Pickup Base 1966 to 1974 GMC K15/K1500 Suburban Base 1967 to 1974 GMC K1500 Base 1979 to 1986 GMC K1500 High Sierra 1979 to 1986 GMC K1500 Sierra Classic 1979 to 1986 GMC K1500 Sierra Grande 1979 to 1982 GMC K1500 Suburban Base 1979 to 1986 GMC K1500 Suburban High Sierra 1979 to 1986 GMC K1500 Suburban Sierra Classic 1979 to 1986 GMC K1500 Suburban Sierra Grande 1979 to 1982 GMC K25/K2500 Suburban Base 1967 GMC R1500 Base 1987 GMC R1500 High Sierra 1987 GMC R1500 Sierra Classic 1987 GMC R1500 Suburban Base 1987 GMC R1500 Suburban High Sierra 1987 GMC R1500 Suburban Sierra Classic 1987 GMC Suburban Base 1963 to 1966 GMC V1500 Base 1987 GMC V1500 High Sierra 1987 GMC V1500 Sierra Classic 1987 GMC V1500 Suburban Base 1987 GMC V1500 Suburban High Sierra 1987 GMC V1500 Suburban Sierra Classic 1987 Pontiac Firebird 350 1969 Pontiac Firebird 350 HO 1969 Pontiac Firebird 400 1969 Pontiac Firebird Base 1969 to 1972 Pontiac Firebird Esprit 1970 to 1972 Pontiac Firebird Formula 1970 to 1972 Pontiac Firebird Sprint 1969 Pontiac Firebird Trans Am 1969 to 1972 Pontiac GTO Base 1970 to 1972 Pontiac GTO The Judge 1970 to 1971