Eaton Posi - 30 Spline - 4.10 Ratio and Down - Steel - 10.5" - GM 14-Bolt Primer They also accept the larger

They also accept the larger wire diameter of heavier rated racing springs

1995-2002 Pontiac Sunfire

Holley Style Carburetors

E-250 Econoline

Strip / Road Race

Eaton Posi - 30 Spline - 4.10 Ratio and Down - Steel - 10.5" - GM 14-Bolt Primer They also accept the largerProduct 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