Detroit Truetrac Suit 1971-89 GM 10-Bolt 8.5", 2.73 Ratio & Up

The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

• Automatic engagement
• Unmatched strength and durability
• Maintenance free
• Works in forward and reverse
• Front and rear axle applications
• Optimized torque bias ratios deliver maximum vehicle acceleration and handling