{"product_id":"ring-and-pinion-gear-set-4-88","title":"Ring and Pinion Gear Set 4.88","description":"Each set undergoes stringent in-house quality evaluations to confirm that products meet all dimensional, material, and fitment testing requirements.\n\nThis specific set, the ZG GM8.5-488, is designed for GM 8.5\" and 8.6\" differentials. Key specifications include an 8.50\" ring gear diameter, a 30-spline pinion, and it utilizes 10 ring gear bolts for secure installation. The gear ratio provided is 4.88, which is often selected to optimize torque delivery or compensate for larger tire sizes.\n\nWhile the product is listed as fitting GM 8.5\" and 8.6\" axles, specific year and model compatibility may vary. Sources suggest it fits 1973-1975 models, as well as 1999-2017 Chevrolet Silverado 1500 models. It's crucial to verify fitment for your specific vehicle application, as variations in axle configurations exist across different GM platforms.","brand":"USA Standard Gear","offers":[{"title":"Default Title","offer_id":52870581879096,"sku":"ZG GM8.5-488","price":283.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/ring-and-pinion-gear-set-4-88","provider":"MOTORMIA","version":"1.0","type":"link"}