Short Summary:
The PowerTrax LS201028 GRIP LS delivers dependable traction and smooth performance for GM 8.5" 10-bolt axles. Engineered for 28-spline axles and 2.73+ carrier breaks, this clutch-style limited slip unit improves control and handling without compromising comfort or durability.
Axle Fitment: GM 8.5" (10 Bolt)
Spline Count: 28
Axle Shaft Diameter: 1.2 Inches
Ring Gear Bolt Quantity: 10
Differential Type: Limited Slip (Clutch Style)
Carrier Break: 2.73 Ratio and Higher
Compatibility: Front and Rear Axles
Bearings Required: LM102949 Bearing and LM102911 Race
Prop 65 Warning: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Fits GM 8.5" 10-Bolt Differentials with 28-spline axles across a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models from 1970 to 1987.
Buick1973–1975 Apollo, 1971–1985 LeSabre, 1973–1977 & 1984–1987 Regal
1970–1972 & 1975–1979 Skylark, 1971–1981 Estate Wagon
Cadillac1976–1979 Seville
Chevrolet1970–1981 Camaro, 1970–1975 Bel Air, Biscayne, Brookwood
1973–1977 Chevelle, El Camino, Malibu, Monte Carlo
1971–1985 Impala, 1971–1979 Nova
1977–1987 C/K10/K20/Suburban, K5 Blazer, R/V Series Trucks
GMC1973–1977 Sprint, 1977–1987 C/K/R/V1500/2500 Trucks & Suburban
1979–1987 G1500, G2500 Vans
Oldsmobile1970–1987 Cutlass Series, 1971–1985 Delta 88
1970–1984 Ninety-Eight, 1973–1979 Omega, 1970–1975 Vista Cruiser
Pontiac1971–1981 Bonneville, Catalina, Firebird, Grand Prix
1972–1977 LeMans, 1973–1975 & 1978–1980 Grand Am
1975–1977 Grand LeMans, 1971–1975 Grandville, 1972–1973 GTO
1971–1972 Laurentian, 1976–1986 Parisienne, 1977–1979 Phoenix
1971–1977 Ventura
Eaton: 187C149A, 19557-1, 912A556, 912A557
Auburn Gear: 542018, 544905, 545003, 546018, 542050
PowerTrax: 1920-LR, 9207852805, GT201028
Yukon Gear & Axle: YDGGM8.5-3-28-1
Dorman: 697-800
Pro-King: 742G715D
Backed by a 2-Year / 100,000-Mile Warranty, the PowerTrax GRIP LS is engineered for lasting performance, reduced tire wear, and enhanced drivability. Ideal for daily driving, light towing, or enthusiast-level builds needing reliable traction without harsh locker engagement.