PONTIAC GRAND PRIX Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Monday 11/17/2025

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• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/17/2025

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3:08 and Down, Each

Part Number: ETN-911A415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

• Free Shipping
• $75.00 Summit Bucks

Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: TCI-259015

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• $50.00 Summit Bucks
• Special Order