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Fitment

Year	Make	Model	Driveline
1973-1975	Buick	Apollo	N/A
1971-1985	Buick	Electra	N/A
1986-1989	Buick	Electra	RWD
1973-1985	Buick	Regal	N/A
1986-1987	Buick	Regal	RWD
1975-1978	Buick	Riviera	RWD
1970-1972 , 1975-1979	Buick	Skylark	N/A
1999-2000	Cadillac	Escalade	N/A
1973	Chevrolet	Chevelle	N/A
1970-1972	Chevrolet	Bel Air	N/A
1987-1994	Chevrolet	Blazer	N/A
1987-1991	Chevrolet	Blazer	4WD
1977-1986	Chevrolet	K5 Blazer	4WD
1979-1986	Chevrolet	K5 Blazer	N/A
1979-1986	Chevrolet	C10	N/A
1979-1986	Chevrolet	C10 Suburban	N/A
1988-1999	Chevrolet	C1500	N/A
1992-1999	Chevrolet	C1500 Suburban	N/A
1989-2000	Chevrolet	C2500	N/A
1970-1981	Chevrolet	Camaro	N/A
1970-1996	Chevrolet	Caprice	N/A
1971-1976	Chevrolet	El Camino	N/A
1996-2003	Chevrolet	Express 1500	N/A
1979-1995	Chevrolet	G10	N/A
1975-1995	Chevrolet	G20	RWD
1971-1985 , 1994-1996	Chevrolet	Impala	N/A
1977-1986	Chevrolet	K10	N/A
1977-1986	Chevrolet	K10 Suburban	N/A
1988-1999	Chevrolet	K1500	N/A
1992-1999	Chevrolet	K1500 Suburban	N/A
1977-1986	Chevrolet	K20	N/A
1977-1986	Chevrolet	K20 Suburban	N/A
1973-1983	Chevrolet	Malibu	N/A
1973-1978	Chevrolet	Monte Carlo	N/A
1970-1979	Chevrolet	Nova	N/A
1987	Chevrolet	R10	N/A
1987-1988	Chevrolet	R10 Suburban	N/A
1989-1991	Chevrolet	R1500 Suburban	N/A
1994-2000	Chevrolet	S10	N/A
2000	Chevrolet	Suburban 1500	4WD
2000	Chevrolet	Suburban 1500	RWD
1995-1998	Chevrolet	Tahoe	4WD
1995-1998	Chevrolet	Tahoe	RWD
1987	Chevrolet	V10	N/A
1987-1988	Chevrolet	V10 Suburban	N/A
1989-1991	Chevrolet	V1500 Suburban	N/A
1987	Chevrolet	V20	N/A
1987-1988	Chevrolet	V20 Suburban	N/A
1989-1991	Chevrolet	V2500 Suburban	N/A
1979-1986 , 1988-1999	GMC	C1500	N/A
1979-1986 , 1992-1999	GMC	C1500 Suburban	N/A
1997-2000	GMC	C2500	N/A
1979-1986 , 1988-1999	GMC	K1500	N/A
1979-1985 , 1992-1999	GMC	K1500 Suburban	N/A
1979-1986	GMC	K2500	N/A
1979-1986	GMC	K2500 Suburban	N/A
1987-1991	GMC	R1500 Suburban	N/A
1987-1991	GMC	V1500 Suburban	N/A
1987-1991	GMC	V2500 Suburban	N/A
1979-1995	GMC	G1500	N/A
1996-2003	GMC	Savana 1500	N/A
1978	GMC	G25	N/A
1979-1995	GMC	G2500	N/A
1996-1998	GMC	Savana 2500	N/A
1977-1978	GMC	K15	N/A
1977-1978	GMC	K15 Suburban	N/A
1977-1978	GMC	K25	4WD
1977-1978	GMC	K25 Suburban	4WD
1987	GMC	R1500	N/A
1994-2000	GMC	Sonoma	N/A
1992-1993	GMC	Typhoon	N/A
1987	GMC	V1500	N/A
1987	GMC	V2500	N/A
1992-2000	GMC	Yukon	4WD
1970-1977	Oldsmobile	Cutlass	N/A
1985-1987	Oldsmobile	Cutlass Supreme	N/A
1973-1979	Oldsmobile	Omega	N/A
1970-1973	Pontiac	GTO	N/A
1970-1986	Pontiac	Bonneville	N/A
1970-1981	Pontiac	Catalina	N/A
1970-1981	Pontiac	Firebird	N/A
1971-1987	Pontiac	Grand Prix	N/A
1971-1981	Pontiac	LeMans	N/A
1976-1977	Pontiac	Ventura	N/A

Features

Spider gear kit
Fits GM 8.5" 30 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

Quick Specs

12" L x 12" W x 3" H

Part Number : ZIKGM8.5-S-30

Important Notes

Technical Notes:
Does not fit 8.6 inch carriers with casting numbers 1073 or 7875. Both 8.5 inch and 8.6 inch carriers were available from 1999-2002. The 8.5 inch carrier has two large openings, the 8.6 carrier has one large and one small opening