Eaton Detroit Truetrac Differential 28 Spline 1.20in Axle Shaft Diameter 2.73 & Up Ratio Rear 8.5in

The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well.Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1973-1975	Buick	Apollo	Base
1975	Buick	Apollo	SR
1971-1973	Buick	Centurion	Base
1973-1977,1980-1981	Buick	Century	Base
1975-1979,1982-1989	Buick	Century	Custom
1980-1981,1984	Buick	Century	Estate
1985-1989	Buick	Century	Estate Wagon
1976	Buick	Century	Indianapolis 500 Pace Car
1978-1989	Buick	Century	Limited
1973-1975	Buick	Century	Luxus
1984	Buick	Century	Olympia Limited
1975-1979	Buick	Century	Special
1978-1981	Buick	Century	Sport
1983-1986	Buick	Century	T-Type
1971-1974,1976-1979	Buick	Electra	225
1971-1974	Buick	Electra	225 Custom
1974	Buick	Electra	225 Limited
1973	Buick	Electra	Base
1975	Buick	Electra	Custom
1980-1989	Buick	Electra	Estate Wagon
1975-1989	Buick	Electra	Limited
1978-1989	Buick	Electra	Park Avenue
1989	Buick	Electra	Park Avenue Ultra
1985-1989	Buick	Electra	T-Type
1971-1983	Buick	Estate Wagon	Base
1971-1972	Buick	GS	Base
1971-1972	Buick	GS 455	Base
1971-1981,1987-1989	Buick	LeSabre	Base
1985	Buick	LeSabre	Collector's Edition
1971-1973,1975-1978,1982-1989	Buick	LeSabre	Custom
1977	Buick	LeSabre	Custom Sport
1985-1989	Buick	LeSabre	Estate Wagon
1979-1989	Buick	LeSabre	Limited
1982	Buick	LeSabre	Limited Edition F/E
1974	Buick	LeSabre	Luxus
1978-1981	Buick	LeSabre	Sport
1987	Buick	LeSabre	T-Type
1976-1979	Buick	Opel	Base
1977-1979	Buick	Opel	Deluxe
1978-1979	Buick	Opel	Sport
1988-1989	Buick	Reatta	Base
1973-1987	Buick	Regal	Base
1988-1989	Buick	Regal	Custom
1982-1983	Buick	Regal	Estate Wagon
1987	Buick	Regal	GNX
1989	Buick	Regal	Gran Sport
1984-1987	Buick	Regal	Grand National
1978-1989	Buick	Regal	Limited
1982	Buick	Regal	Limited Turbo
1978-1982	Buick	Regal	Sport
1976-1977	Buick	Regal	SR
1983-1986	Buick	Regal	T-Type
1971-1985	Buick	Riviera	Base
1971	Buick	Riviera	Gran Sport
1975	Buick	Riviera	GS
1982	Buick	Riviera	Limited Edition
1983-1989	Buick	Riviera	Luxury
1978	Buick	Riviera	LXXV Anniversary Edition
1979-1980	Buick	Riviera	S
1976	Buick	Riviera	Sport
1976	Buick	Riviera	SR
1981-1989	Buick	Riviera	T-Type
1983	Buick	Riviera	XX Anniversary Edition
1975-1980	Buick	Skyhawk	Base
1982-1989	Buick	Skyhawk	Custom
1980	Buick	Skyhawk	Designers' Accent Edition
1982-1987	Buick	Skyhawk	Limited
1979-1980	Buick	Skyhawk	Road Hawk
1975-1980	Buick	Skyhawk	S
1988-1989	Buick	Skyhawk	SE
1986-1987	Buick	Skyhawk	Sport
1983-1987	Buick	Skyhawk	T-Type
1970,1972	Buick	Skylark	350
1970-1972,1975-1982	Buick	Skylark	Base
1970-1972,1978-1979,1983-1989	Buick	Skylark	Custom
1980-1989	Buick	Skylark	Limited
1976-1979	Buick	Skylark	S
1978,1980-1983	Buick	Skylark	Sport
1975-1977	Buick	Skylark	SR
1983-1984	Buick	Skylark	T-Type
1986-1987	Buick	Somerset	Custom
1986-1987	Buick	Somerset	Limited
1986	Buick	Somerset	T-Type
1985	Buick	Somerset Regal	Base
1985	Buick	Somerset Regal	Limited
1971-1972	Buick	Sportwagon	Base
1976-1979	Cadillac	Seville	Base
1978-1979	Cadillac	Seville	Elegante
1977-1978	Cadillac	Seville	Opera
1970-1975	Chevrolet	Bel Air	Base
1987-1989	Chevrolet	Beretta	Base
1989	Chevrolet	Beretta	GT
1964-1972	Chevrolet	Biscayne	Base
1970-1972	Chevrolet	Brookwood	Base
1978-1980	Chevrolet	C10	Big Ten
1977-1981	Chevrolet	C10	Cheyenne
1981-1986	Chevrolet	C10	Custom
1977-1980	Chevrolet	C10	Custom Deluxe
1981	Chevrolet	C10	Deluxe
1977-1986	Chevrolet	C10	Scottsdale
1977-1986	Chevrolet	C10	Silverado
1981-1986	Chevrolet	C10 Suburban	Custom
1977-1980	Chevrolet	C10 Suburban	Custom Deluxe
1981	Chevrolet	C10 Suburban	Deluxe
1977-1980,1982,1984-1986	Chevrolet	C10 Suburban	Scottsdale
1977-1980,1982-1986	Chevrolet	C10 Suburban	Silverado
1970-1980,1988	Chevrolet	Camaro	Base
1979-1986	Chevrolet	Camaro	Berlinetta
1985-1989	Chevrolet	Camaro	Iroc-Z
1973-1978,1987	Chevrolet	Camaro	LT
1976-1978	Chevrolet	Camaro	LT Rally Sport
1976-1980	Chevrolet	Camaro	Rally Sport
1970-1973,1975,1989	Chevrolet	Camaro	RS
1981-1987	Chevrolet	Camaro	Sport
1970-1972	Chevrolet	Camaro	SS
1970-1974,1977-1987	Chevrolet	Camaro	Z28
1982	Chevrolet	Camaro	Z28 Indianapolis 500 Pace Car
1971-1972,1986-1989	Chevrolet	Caprice	Base
1973-1989	Chevrolet	Caprice	Classic
1986-1989	Chevrolet	Caprice	Classic Brougham
1976-1978,1981-1982	Chevrolet	Caprice	Classic Estate
1976-1981	Chevrolet	Caprice	Classic Landau
1987-1989	Chevrolet	Caprice	Classic LS Brougham
1975-1976,1979-1980	Chevrolet	Caprice	Classic Sport
1973-1974	Chevrolet	Caprice	Estate
1975	Chevrolet	Caprice	Estate Wagon
1982-1989	Chevrolet	Cavalier	Base
1982	Chevrolet	Cavalier	Cadet
1982-1986	Chevrolet	Cavalier	CL
1983-1987	Chevrolet	Cavalier	CS
1984	Chevrolet	Cavalier	Olympic
1986-1989	Chevrolet	Cavalier	RS
1984-1985	Chevrolet	Cavalier	Type-10
1988-1989	Chevrolet	Cavalier	VL
1986-1989	Chevrolet	Cavalier	Z24
1982-1989	Chevrolet	Celebrity	Base
1982-1983,1989	Chevrolet	Celebrity	CL
1985	Chevrolet	Celebrity	Classic
1982	Chevrolet	Celebrity	CS
1985-1987	Chevrolet	Celebrity	Estate
1984-1989	Chevrolet	Celebrity	Eurosport
1971-1972	Chevrolet	Chevelle	Base
1971-1972	Chevrolet	Chevelle	Concours
1971-1972	Chevrolet	Chevelle	Concours Estate
1973	Chevrolet	Chevelle	Deluxe
1971-1972	Chevrolet	Chevelle	Greenbrier
1971-1972	Chevrolet	Chevelle	Malibu
1971-1972	Chevrolet	Chevelle	Nomad
1971-1972	Chevrolet	Chevelle	SS
1976-1985	Chevrolet	Chevette	Base
1984-1987	Chevrolet	Chevette	CS
1982	Chevrolet	Chevette	Diesel
1977	Chevrolet	Chevette	Rally Sport
1976	Chevrolet	Chevette	Rallye
1983	Chevrolet	Chevette	S
1977	Chevrolet	Chevette	Sandpiper
1976-1983	Chevrolet	Chevette	Scooter
1976	Chevrolet	Chevette	Sport
1976	Chevrolet	Chevette	Woody
1980-1983	Chevrolet	Citation	Base
1980	Chevrolet	Citation	Club
1980	Chevrolet	Citation	Custom
1980-1983	Chevrolet	Citation	X-11
1984-1985	Chevrolet	Citation II	Base
1984-1985	Chevrolet	Citation II	X-11
1987-1989	Chevrolet	Corsica	Base
1987-1988	Chevrolet	Corsica	LT
1989	Chevrolet	Corsica	LTZ
1988	Chevrolet	Corvette	35th Anniversary Edition
1971-1974,1977-1982,1984-1989	Chevrolet	Corvette	Base
1982	Chevrolet	Corvette	Collector's Edition
1978,1986	Chevrolet	Corvette	Indianapolis 500 Pace Car
1978	Chevrolet	Corvette	Silver Anniversary Edition
1975-1976	Chevrolet	Corvette	Stingray
1973-1977	Chevrolet	El Camino	Base
1975-1977	Chevrolet	El Camino	Classic
1977	Chevrolet	El Camino	Conquista
1973-1974	Chevrolet	El Camino	Custom
1973-1977	Chevrolet	El Camino	SS
1971-1985	Chevrolet	Impala	Base
1975-1977	Chevrolet	Impala	Custom
1976	Chevrolet	Impala	Custom Landau
1981-1982	Chevrolet	Impala	Estate
1977-1979	Chevrolet	Impala	Landau
1976	Chevrolet	Impala	S
1975-1976,1979-1980	Chevrolet	Impala	Sport
1977-1981	Chevrolet	K10	Cheyenne
1981-1986	Chevrolet	K10	Custom
1977-1980	Chevrolet	K10	Custom Deluxe
1981	Chevrolet	K10	Deluxe
1977-1986	Chevrolet	K10	Scottsdale
1977-1986	Chevrolet	K10	Silverado
1981-1986	Chevrolet	K10 Suburban	Custom
1977-1980	Chevrolet	K10 Suburban	Custom Deluxe
1981	Chevrolet	K10 Suburban	Deluxe
1977-1980,1982,1984-1986	Chevrolet	K10 Suburban	Scottsdale
1977,1979-1980,1982-1983,1985-1986	Chevrolet	K10 Suburban	Silverado
1977-1981	Chevrolet	K20	Cheyenne
1981-1986	Chevrolet	K20	Custom
1977-1980	Chevrolet	K20	Custom Deluxe