{"product_id":"usa-standard-gear-ring-pinion-set-for-gm-8-5-and-8-6-differentials-4-88-ratio","title":"USA Standard Gear Ring \u0026 Pinion Set for GM 8.5\" and 8.6\" Differentials — 4.88 Ratio","description":"\u003cp data-start=\"221\" data-end=\"486\"\u003eMany GM truck and SUV owners experience worn or damaged ring and pinion gears that cause noise, vibration, or loss of power transfer. Upgrading to a high-quality gear set restores smooth operation, improves durability, and ensures your drivetrain performs like new.\u003c\/p\u003e\n\u003cp data-start=\"488\" data-end=\"742\"\u003eUSA Standard Gear ring and pinion sets are built to exceed OEM specifications. Each set undergoes rigorous in-house testing for precise fitment, dimensional accuracy, and material strength, providing reliable performance for both street and off-road use.\u003c\/p\u003e\n\u003cp data-start=\"744\" data-end=\"906\"\u003eThis gear set fits GM 8.5\" and 8.6\" differentials and features a 4.88 gear ratio, ideal for vehicles requiring stronger torque delivery and improved acceleration.\u003c\/p\u003e\n\u003cp data-start=\"908\" data-end=\"921\"\u003e\u003cstrong data-start=\"908\" data-end=\"921\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"922\" data-end=\"1266\"\u003e\n\u003cli data-start=\"922\" data-end=\"986\"\u003e\n\u003cp data-start=\"924\" data-end=\"986\"\u003eExceeds OEM quality standards for durability and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"987\" data-end=\"1041\"\u003e\n\u003cp data-start=\"989\" data-end=\"1041\"\u003eFits GM 8.5\" and 8.6\" rear and front differentials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1042\" data-end=\"1092\"\u003e\n\u003cp data-start=\"1044\" data-end=\"1092\"\u003e8.50\" ring gear diameter with 30 spline pinion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1093\" data-end=\"1148\"\u003e\n\u003cp data-start=\"1095\" data-end=\"1148\"\u003eIncludes 10 ring gear bolts for secure installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1149\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1151\" data-end=\"1199\"\u003e4.88 gear ratio optimized for power and torque\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1266\"\u003eTested for dimensional accuracy, material quality, and fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1268\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1315\"\u003eCompatible Vehicles Include (Partial List):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1316\" data-end=\"1747\"\u003e\n\u003cli data-start=\"1316\" data-end=\"1356\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1356\"\u003eChevrolet Silverado 1500 (1999-2016)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1357\" data-end=\"1388\"\u003e\n\u003cp data-start=\"1359\" data-end=\"1388\"\u003eChevrolet Tahoe (1995-2016)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1389\" data-end=\"1428\"\u003e\n\u003cp data-start=\"1391\" data-end=\"1428\"\u003eChevrolet Suburban 1500 (2000-2013)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1429\" data-end=\"1461\"\u003e\n\u003cp data-start=\"1431\" data-end=\"1461\"\u003eChevrolet Blazer (1987-1994)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1462\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1464\" data-end=\"1507\"\u003eChevrolet K1500\/K20\/K5 Blazer (1977-1999)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1508\" data-end=\"1539\"\u003e\n\u003cp data-start=\"1510\" data-end=\"1539\"\u003eGMC Sierra 1500 (1999-2017)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1540\" data-end=\"1583\"\u003e\n\u003cp data-start=\"1542\" data-end=\"1583\"\u003eGMC Yukon and Yukon XL 1500 (1993-2013)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1617\"\u003e\n\u003cp data-start=\"1586\" data-end=\"1617\"\u003eCadillac Escalade (1999-2013)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1618\" data-end=\"1643\"\u003e\n\u003cp data-start=\"1620\" data-end=\"1643\"\u003eHummer H3 (2009-2010)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1644\" data-end=\"1674\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1674\"\u003eIsuzu Ascender (2006-2008)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1675\" data-end=\"1707\"\u003e\n\u003cp data-start=\"1677\" data-end=\"1707\"\u003ePontiac Firebird (1970-1981)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1708\" data-end=\"1747\"\u003e\n\u003cp data-start=\"1710\" data-end=\"1747\"\u003eBuick Electra and Regal (1971-1987)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1749\" data-end=\"1798\"\u003e(For a full vehicle list, contact Sexton Offroad)\u003c\/p\u003e\n\u003cp data-start=\"1805\" data-end=\"1943\"\u003eFor expert installation advice and all your drivetrain needs, call Sexton Offroad in Salt Lake City and Park City, Utah at (435) 640-4437.\u003c\/p\u003e","brand":"USA Standard Gear","offers":[{"title":"Default Title","offer_id":50475583930647,"sku":"ZG GM8.5-488","price":176.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/4087\/6055\/files\/USAStandardRing_PiniongearsetforGM8.5_ina4.88ratio1.jpg?v=1747954779","url":"https:\/\/www.sextonoffroad.com\/products\/usa-standard-gear-ring-pinion-set-for-gm-8-5-and-8-6-differentials-4-88-ratio","provider":"Sexton Offroad","version":"1.0","type":"link"}