Eaton Detroit Locker Diff 31 Spline 1.32in Shaft Dia 4.56/4.88/5.13 Ratio Front/Reverse Rear 8.8in Robust Fleece Performance 17-23 GM 2500/3500

Fleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side)

BD Diesel Model 1046069

Wide Cornering: A 42-degree flattened horizontal beam for enhanced peripheral visibility

*****Aftermarket downpipe recommended for easier installation

Eaton Detroit Locker Diff 31 Spline 1.32in Shaft Dia 4.56/4.88/5.13 Ratio Front/Reverse Rear 8.8in Robust Fleece Performance 17-23 GM 2500/3500The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet proof design is engineered to keep both wheels in drive mode even if one wheel is lifted off the ground. It works in forward and reverse, and features unmatched strength, 100 percent automatic locking, and maintenance free parts. This Part Fits: Year Make Model Submodel 1986 1997 Ford Aerostar Base