PowerTrax GT231230 Grip Pro Helical Limited-Slip Differential | GM 8.875" 12-Bolt | 30-Spline
Upgrade your GM 8.875" 12-bolt rear axle with the PowerTrax Grip Pro, a torsen-style helical gear limited-slip differential designed for 30-spline axles and 3.07-3.73 carrier ratios. This advanced LSD automatically transfers torque to the wheel with the most traction, providing smooth power distribution for improved handling and acceleration.
✅ Helical Gear Technology: No clutches, no wear components, and no maintenance required.
✅ Enhanced Traction: Eliminates single-wheel spin, improving grip on dry, wet, and uneven surfaces.
✅ Performance-Built: Heavy-duty forged steel withstands high torque loads and aggressive driving.
✅ OEM-Compatible: Drop-in replacement for GM 8.875" 12-bolt differential applications.
✅ Perfect for Classic & Performance Cars: Ideal for muscle cars, street performance, and drag racing.
Compatible with the following vehicles using a GM 8.875" 12-bolt 30-spline rear differential:
✔ Buick Models:Centurion (1971-1972), Electra (1965-1972), Estate Wagon (1971-1972)
Gran Sport (1965-1967), GS (1970-1972), GS 350 (1968-1969), GS 400 (1968-1969), GS 455 (1970-1972)
LeSabre (1971-1972), Skylark (1971-1972), Special (1965-1969), Sportwagon (1964-1972)
✔ Chevrolet Models:Bel Air (1965-1970), Camaro (1967-1972), Caprice (1966-1972), Chevelle (1964-1973)
Chevy II (1965-1968), El Camino (1965-1972), Impala (1965-1972), Malibu (1965-1967)
Monte Carlo (1970-1972), Nova (1969-1972)
✔ GMC Models:Sprint (1971-1972)
✔ Oldsmobile Models:442 (1971), 98 (1965-1972), Cutlass (1971-1972), Cutlass Supreme (1971-1972)
Delmont 88 (1967-1968), Delta 88 (1965-1972), F85 (1965-1972)
Jetstar 88 (1965-1966), Jetstar I (1965), Starfire (1965-1966), Vista Cruiser (1967-1972)
✔ Pontiac Models:Acadian (1965-1971), Beaumont (1965-1969), Bonneville (1965-1972), Catalina (1965-1972)
Executive (1967-1970), Firebird (1967-1972), Grand Prix (1970-1972)
Grand Safari (1971-1972), Grandville (1971-1972), GTO (1965-1972)
Laurentian (1965-1972), LeMans (1965-1972), Parisienne (1965-1972), Strato-Chief (1965-1970)
Tempest (1970)
✔ Eaton: 913A555
✔ PowerTrax: LS231230
✔ Superior Traction: Transfers torque instantly to the wheel with grip.
✔ Rugged Construction: Built with high-strength forged steel for lasting durability.
✔ Maintenance-Free: No clutches, no friction plates, and no special fluids required.
✔ Easy Installation: Drop-in fitment for GM 8.875" 12-bolt differentials with 30-spline axles.
✔ Warranty: Backed by a 2-Year / 100,000-Mile Limited Warranty for peace of mind.