{"product_id":"yukon-gear-ring-pinion-gear-set-3-90-ratio-12-bolt-8-875","title":"Yukon Gear Ring \u0026 Pinion Gear Set 3.90 Ratio 12 Bolt 8.875","description":"The Zumbrota Drivetrain YG GM12P-390 is a high-performance Yukon Ring \u0026amp; Pinion gear set engineered for GM 12 bolt passenger cars. Built by Yukon Gear and Axle, these sets are recognized for their quality, utilizing advanced design, heat-treating, and testing processes to meet exacting specifications.\n\nThis specific gear set features an 8.875\" ring gear diameter and requires 12 ring gear bolts for installation. It includes a 30 spline pinion and a 3.90 gear ratio. This ratio is ideal for drivers looking to optimize their vehicle's traction performance, especially after upgrades such as increased horsepower or larger tires.\n\nYukon Gear \u0026amp; Axle's commitment to quality ensures durability and reliability. The company also offers the Y.E.S. Plan, a comprehensive lifetime protection plan for gear sets.","brand":"Zumbrota Drivetrain","offers":[{"title":"Default Title","offer_id":52870973882680,"sku":"YG GM12P-390","price":581.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/yukon-gear-ring-pinion-gear-set-3-90-ratio-12-bolt-8-875","provider":"MOTORMIA","version":"1.0","type":"link"}