{"product_id":"nitro-ring-pinion-dana-30-front-jeep-jk-5-13-ratio","title":"Nitro Ring and Pinion Dana 30 Front Jeep JK 5.13 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 30 JK Front axle in 5.13 ratio is the correct re-gear for Jeep Wrangler JK builds running 37\" tires. At 37s, 4.88 gears still leave a performance deficit — 5.13 gears fully restore acceleration, crawl ratio, and highway efficiency, making the JK feel like a stock-geared vehicle again.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 5.13\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 30 Front — Jeep JK (reverse rotation)\u003c\/li\u003e\n\u003cli\u003eConstruction: 8620 steel with precision heat treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2007–2018 Jeep Wrangler JK \u0026amp; JK Unlimited — Dana 30 Front Axle\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":50026490134761,"sku":"nitro-ring-pinion-dana-30-front-jeep-jk-5-13-ratio","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/T8-410-REV__27616.webp?v=1778186351","url":"https:\/\/mbk4x4parts.com\/products\/nitro-ring-pinion-dana-30-front-jeep-jk-5-13-ratio","provider":"MBK4x4Parts","version":"1.0","type":"link"}