USA Standard ZG GM9.25-538R Ring & Pinion for GM 9.25"R - 5.38 Ratio

Replace the factory ring & pinon in your GM when you purchase the USA Standard ZG GM9.25-538R Ring & Pinion for GM 9.25"R- 5.38 Ratio. The engineers at USA Standard have designed the Ring & Pinon to meet and exceed the specifications of the factory ring & pinon. Made from quality materials, the Ring & Pinon is incredibly durable and comes backed by a 1 year warranty. To ensure their products are elite and will provide superior performance, USA Standard closely inspects and tests each Ring & Pinon so you can be sure yours will always perform.