Differential Spool
81-1030-1 Application Notes
- For GM 8.5" (10 Bolt)
- 30 Spline
- Full Spool
- Steel
- 1999 And Later Requires Use Of Bearing LM603049 And Race LM603012
- 1998 And Earlier Use Bearing LM102949 And Race LM102911
- 45 Degree Pressure Angle
- C-Clip Eliminator Required
Warranty
1 Year or 50,000 Miles
81-1030-1 Specifications
App Model
GM 8.5
Differential Carrier Break
2.73 Ratio and Higher
Differential Case Design Type
GM 8.5
Pressure Angle
45 (Degree)
Spline Quantity
30
Taxonomy A
LD Differential, LD Differential, LD Differential
Taxonomy B
Differential Lockers & Spools, Differential Lockers & Spools, Differential Lockers & Spools
Taxonomy C
Full Spools, Full Spools, Full Spools
Taxonomy D
Front, Rear, Front, Rear, Front, Rear
Vehicle Applications
- 1973 – 1975 Buick Apollo
- 1973 – 1977 Buick Century
- 1991 – 1996 Buick Commercial Chassis
- 1976 – 1981 Buick Electra
- 1985 – 1989 Buick Electra
- 1977 – 1981 Buick Estate Wagon
- 1973 – 1974 Buick LeSabre
- 1977 – 1981 Buick LeSabre
- 1985 – 1990 Buick LeSabre
- 1973 – 1977 Buick Regal
- 1984 – 1987 Buick Regal
- 1977 – 1978 Buick Riviera
- 1991 – 1996 Buick Roadmaster
- 1971 – 1972 Buick Skylark
- 1975 Buick Skylark
- 1977 – 1979 Buick Skylark
- 1971 – 1975 Chevrolet Bel Air
- 1971 – 1972 Chevrolet Biscayne
- 1987 – 1991 Chevrolet Blazer
- 1971 – 1972 Chevrolet Brookwood
- 1980 – 1986 Chevrolet C10
- 1980 – 1986 Chevrolet C10 Suburban
- 1988 – 1998 Chevrolet C1500
- 1992 – 1996 Chevrolet C1500 Suburban
- 1980 – 1986 Chevrolet C20 Suburban
- 1992 – 1996 Chevrolet C2500 Suburban
- 1971 – 1981 Chevrolet Camaro
- 1971 – 1996 Chevrolet Caprice
- 1970 – 1973 Chevrolet Chevelle
- 1973 – 1976 Chevrolet El Camino
- 1996 Chevrolet Express 1500
- 1996 Chevrolet Express 2500
- 1975 – 1995 Chevrolet G10
- 1970 – 1974 Chevrolet G10 Van
- 1975 – 1995 Chevrolet G20
- 1970 – 1974 Chevrolet G20 Van
- 1971 – 1985 Chevrolet Impala
- 1994 – 1996 Chevrolet Impala
- 1977 – 1986 Chevrolet K10
- 1977 – 1986 Chevrolet K10 Suburban
- 1988 – 1998 Chevrolet K1500
- 1992 – 1996 Chevrolet K1500 Suburban
- 1977 – 1986 Chevrolet K20
- 1977 – 1986 Chevrolet K20 Suburban
- 1992 – 1996 Chevrolet K2500 Suburban
- 1977 – 1986 Chevrolet K5 Blazer
- 1971 – 1972 Chevrolet Kingswood
- 1970 – 1979 Chevrolet Nova
- 1987 Chevrolet R10
- 1987 – 1988 Chevrolet R10 Suburban
- 1989 – 1991 Chevrolet R1500 Suburban
- 1987 – 1988 Chevrolet R20 Suburban
- 1989 – 1991 Chevrolet R2500 Suburban
- 1971 – 1972 Chevrolet Townsman
- 1987 Chevrolet V10
- 1987 – 1988 Chevrolet V10 Suburban
- 1989 – 1991 Chevrolet V1500 Suburban
- 1987 Chevrolet V20
- 1987 – 1988 Chevrolet V20 Suburban
- 1989 – 1991 Chevrolet V2500 Suburban
- 1980 – 1986 GMC C1500
- 1988 – 1998 GMC C1500
- 1980 – 1986 GMC C1500 Suburban
- 1992 – 1996 GMC C1500 Suburban
- 1980 – 1986 GMC C2500 Suburban
- 1992 – 1996 GMC C2500 Suburban
- 1998 GMC C3500
- 1975 – 1978 GMC G15
- 1970 – 1974 GMC G15/G1500 Van
- 1979 – 1995 GMC G1500
- 1975 – 1978 GMC G25
- 1970 – 1974 GMC G25/G2500 Van
- 1979 – 1995 GMC G2500
- 1977 – 1991 GMC Jimmy
- 1977 – 1978 GMC K15
- 1977 – 1978 GMC K15 Suburban
- 1979 – 1986 GMC K1500
- 1988 – 1998 GMC K1500
- 1979 – 1986 GMC K1500 Suburban
- 1992 – 1996 GMC K1500 Suburban
- 1977 – 1978 GMC K25
- 1976 – 1978 GMC K25 Suburban
- 1979 – 1986 GMC K2500
- 1994 GMC K2500
- 1979 – 1986 GMC K2500 Suburban
- 1992 – 1996 GMC K2500 Suburban
- 1987 GMC R1500
- 1987 – 1991 GMC R1500 Suburban
- 1987 – 1991 GMC R2500 Suburban
- 1996 GMC Savana 1500
- 1996 GMC Savana 2500
- 1987 GMC V1500
- 1987 – 1991 GMC V1500 Suburban
- 1987 GMC V2500
- 1987 – 1991 GMC V2500 Suburban
- 1971 – 1984 Oldsmobile 98
- 1971 – 1989 Oldsmobile Custom Cruiser
- 1971 – 1977 Oldsmobile Cutlass
- 1975 – 1977 Oldsmobile Cutlass Salon
- 1971 – 1977 Oldsmobile Cutlass Supreme
- 1976 Oldsmobile Cutlass Tiara
- 1971 – 1985 Oldsmobile Delta 88
- 1970 – 1972 Oldsmobile F85
- 1973 – 1975 Oldsmobile Omega
- 1977 – 1979 Oldsmobile Omega
- 1980 – 1982 Plymouth Badger
- 1971 – 1986 Pontiac Bonneville
- 1971 – 1981 Pontiac Catalina
- 1970 – 1981 Pontiac Firebird
- 1970 – 1973 Pontiac GTO
- 1975 – 1977 Pontiac Grand LeMans
- 1971 – 1977 Pontiac Grand Prix
- 1971 – 1978 Pontiac Grand Safari
- 1971 – 1975 Pontiac Grandville
- 1971 – 1977 Pontiac LeMans
- 1983 – 1986 Pontiac Parisienne
- 1977 Pontiac Phoenix
- 1987 – 1989 Pontiac Safari
- 1971 – 1977 Pontiac Ventura
