{"product_id":"usa-standard-4-30-ratio-ring-pinion","title":"USA Standard 4.30 Ratio Ring \u0026 Pinion","description":"The USA Standard Ring \u0026amp; Pinion gear set is designed for GM \u0026amp; Chrysler 11.5\" rear differentials, offering a 4.30 ratio. Manufactured by USA Standard Gear, these sets are built to exceed original equipment (OE) specifications. Each set is subjected to rigorous in-house quality evaluation, ensuring it meets stringent dimensional, material, and fitment testing standards.\n\nThis ring and pinion gear set is a direct replacement, intended to maintain or improve the performance of your vehicle's differential. The 4.30 ratio is ideal for applications requiring a balance between acceleration and highway cruising capabilities, depending on tire size and overall gearing.\n\nWhile specific vehicle fitment details are best confirmed via the \"Select Vehicle\" tool on the product page, this set is explicitly listed for GM \u0026amp; Chrysler 11.5\" Rear applications. Buyers should consult with Zumbrota Drivetrain's tech support if they have any questions regarding compatibility with their specific build project or vehicle.","brand":"Zumbrota Drivetrain","offers":[{"title":"Default Title","offer_id":52871821721912,"sku":"ZG GM11.5-430","price":519.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/usa-standard-4-30-ratio-ring-pinion","provider":"MOTORMIA","version":"1.0","type":"link"}