{"product_id":"3-90-ratio-ring-and-pinion-gear-set-2","title":"3.90 Ratio Ring and Pinion Gear Set","description":"This specific gear set offers a 3.90 ratio and is suitable for GM 8.5\" and 8.6\" axles. Key specifications include an 8.50\" ring gear diameter, 10 ring gear bolts, and a 30-spline pinion. These features are intended to optimize traction and performance, whether you've upgraded your vehicle's horsepower or installed larger tires.\n\nYukon Gear \u0026amp; Axle is known for providing a wide selection of gear ratios to accommodate various driving needs. They also offer an optional Y.E.S. Plan, a lifetime, comprehensive warranty that covers the gear set for any failure, for as long as you own the vehicle.","brand":"Zumbrota Drivetrain","offers":[{"title":"Default Title","offer_id":52870975750456,"sku":"YG GM8.5-390","price":518.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/3-90-ratio-ring-and-pinion-gear-set-2","provider":"MOTORMIA","version":"1.0","type":"link"}