





| SKU | EAT912A556 |
| MPN | 912A556 |
| Certifications | None |
| Material | Steel |
| Color/Finish | Black |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 1971-1972 | Chevrolet | Townsman | Base |
| 1971-1977 | Chevrolet | Vega | Base |
| 1975-1976 | Chevrolet | Vega | Cosworth |
| 1976-1977 | Chevrolet | Vega | Estate |
| 1975 | Chevrolet | Vega | Estate Wagon |
| 1976-1977 | Chevrolet | Vega | GT |
| 1975 | Chevrolet | Vega | LX |
| 1971-1974 | Chevrolet | Vega | Panel |
| 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 |
| 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 |
| 1974 | Chevrolet | Laguna | Type S-3 |
| 1973-1981 | Chevrolet | Malibu | Base |
| 1974-1983 | Chevrolet | Malibu | Classic |
| 1975-1976,1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1976-1981 | Chevrolet | Malibu | Classic Landau |
| 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 |
| 1975-1978 | Chevrolet | Nova | Police |
| 1977-1979 | Chevrolet | Nova | Rally |
| 1976 | Chevrolet | Nova | SS |
| 1988 | Chevrolet | Nova | Twin Cam |
| 1985-1988 | Chevrolet | Spectrum | Base |
| 1987-1988 | Chevrolet | Spectrum | CL |
| 1987-1988 | Chevrolet | Spectrum | CL Plus |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 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 |
| 1975 | Chevrolet | Vega | Panel Express |
| 1976-1977 | Chevrolet | Vega | Sport |
| 1984-1986 | GMC | C1500 | Base |
| 1984-1986 | GMC | C1500 | High Sierra |
| 1984-1986 | GMC | C1500 | Sierra Classic |
| 1979-1986 | GMC | C1500 Suburban | Base |
| 1979-1986 | GMC | C1500 Suburban | High Sierra |
| 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 |
| 1976,1978-1981,1973-1974 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1973,1975-1977 | Chevrolet | Monte Carlo | S |
| 1978,1980 | Chevrolet | Monte Carlo | Sport |
| 1976 | Chevrolet | Monza | Towne Coupe Spyder |
| 1971-1979,1985-1988 | Chevrolet | Nova | Base |
| 1985-1988 | Chevrolet | Nova | CL |
| 1976-1977 | Chevrolet | Nova | Concours |
| 1973-1975,1978-1979 | Chevrolet | Nova | Custom |
| 1975 | Chevrolet | Nova | LN |
| 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 |
| 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 |
| 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 | 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 |
| 1977,1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1973-1974,1979-1980 | Chevrolet | Malibu | Estate |
| 1976,1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1977,1979-1980 | Chevrolet | Malibu | Sport |
| 1971-1974,1979,1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1978-1979,1983-1989,1970-1972 | 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 |
| 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 |
| 1978-1979,1975 | Chevrolet | Monza | S |
| 1978 | Chevrolet | Monza | Sport |
| 1980 | Chevrolet | Monza | Spyder |
| 1976-1977 | Chevrolet | Monza | Towne Coupe |
| 1976-1977 | Chevrolet | Monza | Towne Coupe Cabriolet |
| 1976-1977 | Chevrolet | Monza | Towne Coupe Sport |
| 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 |
| 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 |
| 1978,1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1971-1972 | Chevrolet | Kingswood | Base |
| 1971-1972 | Chevrolet | Kingswood | Estate |
| 1973-1975 | Chevrolet | Laguna | Base |
| 1973 | Chevrolet | Laguna | Estate |
| 1975-1976 | Chevrolet | Laguna | S3 |
| 1979-1986 | GMC | C1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | C1500 Suburban | Sierra Grande |
| 1979-1987 | GMC | G1500 | Rally |
| 1983-1984 | GMC | G1500 | Rally Custom |
| 1979-1987 | GMC | G1500 | Rally STX |
| 1979-1987 | GMC | G1500 | Vandura |
| 1979-1987 | GMC | G2500 | Rally |
| 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 |
| 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 |
| 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 |
| 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 |
| 1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1975-1980 | Chevrolet | Monza | 2+2 |
| 1978-1980 | Chevrolet | Monza | 2+2 Sport |
| 1976-1980 | Chevrolet | Monza | 2+2 Spyder |
| 1976,1978-1980 | Chevrolet | Monza | Base |
| 1977 | Chevrolet | Monza | Mirage |
| 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 |
| 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 |
| 1984-1986,1977-1980,1982 | Chevrolet | K20 Suburban | Scottsdale |
| 1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1976 | Chevrolet | K5 Blazer | Base |
| 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 |
| 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 |
| 1977-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1977-1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1977-1986 | Chevrolet | K20 | Scottsdale |
| 1977-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1977-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 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 |
| 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 |
| 1986,1978 | 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 |
| 1987-1988 | Chevrolet | Spectrum | Express |
| 1987-1988 | Chevrolet | Spectrum | Turbo |
| 1985-1988 | Chevrolet | Sprint | Base |
| 1986-1988 | Chevrolet | Sprint | ER |
| 1987-1988 | Chevrolet | Sprint | Metro |
| 1986 | Chevrolet | Sprint | Plus |
| 1987-1988 | Chevrolet | Sprint | Turbo |
| 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 |
| 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 |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1971-1974,1977-1982,1984-1989 | Chevrolet | Corvette | Base |
| 1982 | Chevrolet | Corvette | Collector's Edition |
Experience superior traction and reliability with the Eaton Detroit Truetrac Differential, designed for serious automotive enthusiasts and professionals. This robust unit fits rear 8.5-inch differentials with a 28 spline axle shaft diameter of 1.20 inches, and is compatible with gear ratios from 2.73 and up.
The Truetrac uses a unique helical gear design that distributes torque smoothly and effectively, providing better control without the harsh engagement of traditional lockers. Whether you're hitting the track or upgrading your street rod, this differential offers enhanced performance and durability.
Manufactured by Eaton, a trusted name in drivetrain components, the Detroit Truetrac is engineered to withstand high power outputs and demanding conditions. Its precision construction ensures a perfect fit in your drivetrain setup, delivering consistent traction in a wide range of conditions.
Upgrade your ride with a differential that combines cutting-edge technology and proven toughness. The Eaton Detroit Truetrac Differential is the perfect choice for V8 muscle cars, hot rods, and kit car projects where performance and reliability are paramount.
The Truetrac uses a unique helical gear design that distributes torque smoothly and effectively, providing better control without the harsh engagement of traditional lockers. Whether you're hitting the track or upgrading your street rod, this differential offers enhanced performance and durability.
Manufactured by Eaton, a trusted name in drivetrain components, the Detroit Truetrac is engineered to withstand high power outputs and demanding conditions. Its precision construction ensures a perfect fit in your drivetrain setup, delivering consistent traction in a wide range of conditions.
Upgrade your ride with a differential that combines cutting-edge technology and proven toughness. The Eaton Detroit Truetrac Differential is the perfect choice for V8 muscle cars, hot rods, and kit car projects where performance and reliability are paramount.
Customer reviews
Based on 160 reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















