Eaton Posi - 30 Spline - 4.10 Ratio and Down - Steel - 10.5" - GM 14-Bolt 4704323-10- XL GM A-Body / F-Body /

GM A-Body / F-Body / G-Body 1973-88

1968-1972 Pontiac GTO

12 AN Female O-Ring Inlet

After installing your helmet hardware and test fitting your NecksGen in your car

1973-1987 Chevrolet El Camino

Eaton Posi - 30 Spline - 4.10 Ratio and Down - Steel - 10.5" - GM 14-Bolt 4704323-10- XL GM A-Body / F-Body /Product Description: Differential Carrier Eaton Posi 30 Spline 4. 10 Ratio and Down Steel 10. 5 in GM 14 Bolt Sold Individually Eaton is the world's largest independent producer of torque controlling differentials for vehicle manufacturers, the automotive aftermarket and commercial and military vehicle manufacturers. We are leveraging our differentials expertise, which includes vehicle and traction dynamics, to continuously expand our product lineup