USA Standard 8.5in GM 5.38 Ring & Pinion (Needs Notched X/P) - ZG GM8.5-538

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.

8.5" GM 5.38 R&P (NEEDS_NOTCHED_X/P) ** USA STANDARD GEAR **