402 = DETROIT LOCKER/TRUETRAC

The Eaton Detroit Locker Differential 187S196A is a highly durable and dependable locking differential that maximizes traction by delivering 100% of the torque to both drive wheels. It is engineered to keep both wheels in a constant drive mode while automatically allowing wheel speed differentiation when required. This makes it a popular choice among professional racers and off-road enthusiasts for its ability to provide traction in challenging conditions like mud, snow, rocks, and on the track. This particular model is designed for GM 8 7/8 inch rear axles with 35 splines, a 1.50 inch axle shaft diameter, and is compatible with 3.08 to 3.90 ring gear pinion ratios, featuring a custom housing with a 3.25 inch bearing bore. Applications are also available for C-Clip style axles.