{"product_id":"beefed-up-373-gear-ratio-ring-and-pinion-set-for-g","title":"Beefed Up 3.73 Gear Ratio Ring and Pinion Set for GM 8.5 and 8.6 Inch Differentials, 30 Spline Pinion, 10 Ring Gear Bolts, 8.50 Inch Ring Gear Diameter","description":"\u003cdiv\u003eBeefed Up 3.73 Gear Ring \u0026amp; Pinion for GM 8.5\/8.6 Diffs \u003cbr\u003e\n✔️ 3.73 ratio, 30-spline pinion, 8.50 inch ring gear diameter (216 mm), 10 bolts  \u003cp\u003eThis high-performance ring and pinion set is engineered for GM 8.5 and 8.6 inch differentials, delivering a 3.73 final drive ratio with a 30-spline pinion and an 8.50 inch ring gear diameter (216 mm). Includes 10 ring gear bolts for straightforward installation. Pack: 1 set.\u003c\/p\u003e ✅ Fits GM 8.5-inch and 8.6-inch differentials with 3.73 ratio \u003cbr\u003e\n✅ 30-spline pinion for strong engagement \u003cbr\u003e\n✅ 8.50 inch ring gear diameter matches OEM spec (216 mm) \u003cbr\u003e\n✅ Includes 10 ring gear bolts for straightforward installation \u003cbr\u003e\n✅ High-grade steel gear surfaces reduce friction and heat for durability \u003cbr\u003e \u003cp\u003e💡 What is a ring and pinion gear set used for in a GM differential? A handy explanation of how swapping gear ratios affects torque and engine RPM.\n- Improves acceleration at lower speeds\n- Reduces engine RPM at cruising speed for better fuel economy\n- Needs precise backlash and proper installation for long life\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48234030530795,"sku":"VXB00EHN37BU","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61AoTpgyw3L.jpg?v=1778327674","url":"https:\/\/vxb.com\/products\/beefed-up-373-gear-ratio-ring-and-pinion-set-for-g","provider":"VXB Bearings","version":"1.0","type":"link"}