1 in stock
SKU: ZG GM12P-390

USA Standard Ring & Pinion Gear Set For GM 12 Bolt Car in a 3.90 Ratio

Regular price $360.54


Pickup available at DEO Web Site Inventory

Usually ready in 24 hours

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.
12P GM 3.91 R&P (fits_3.90_&_DWN_CSE) ** USA STANDARD GEAR **


  • 3.90 ratio