{"title":"Nitro","description":"\u003cp\u003e\u003cstrong data-start=\"0\" data-end=\"21\" data-is-only-node=\"\"\u003eNitro Gear \u0026amp; Axle\u003c\/strong\u003e delivers high-strength drivetrain parts for offroad performance. Shop ring and pinion sets built for tough terrain, larger tires, and heavy use.\u003c\/p\u003e","products":[{"product_id":"nitro-ring-pinion-dana-30-front-jeep-jk-4-88-ratio","title":"Nitro Ring and Pinion Dana 30 Front Jeep JK 4.88 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 30 JK Front axle in 4.88 ratio is engineered for Jeep Wrangler JK builds running 35\" tires. Manufactured from 8620 steel with precision heat treatment, Nitro gear sets are designed to restore the power and throttle response lost when fitting larger tires — delivering a noticeable improvement in acceleration, crawl ratio, and fuel efficiency under load.\u003c\/p\u003e\n\u003ch3\u003eWhy Re-Gear to 4.88?\u003c\/h3\u003e\n\u003cp\u003e35\" tires on a stock-geared JK effectively raise your final drive ratio, making the engine lug and reducing performance. 4.88 gears restore factory-equivalent performance with 35s fitted.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 4.88\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":49852066660585,"sku":"nitro-ring-pinion-dana-30-front-jeep-jk-4-88-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"},{"product_id":"nitro-ring-pinion-dana-44-front-jeep-jk-4-88-ratio","title":"Nitro Ring and Pinion Dana 44 Front Jeep JK 4.88 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 44 JK Front axle in 4.88 ratio is the front re-gear for Jeep Wrangler JK Rubicon models running 35\" tires. The JK Rubicon's Dana 44 front axle requires a specific gear set — this Nitro set is built to the correct specifications for the JK Rubicon front axle, delivering reliable performance and correct engagement in 4WD.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 4.88\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 44 Front — Jeep JK Rubicon\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 Rubicon — Dana 44 Front Axle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always re-gear front and rear axles to the same ratio simultaneously.\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":49852332212457,"sku":"nitro-ring-pinion-dana-44-front-jeep-jk-4-88-ratio","price":349.95,"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"},{"product_id":"nitro-ring-pinion-dana-44-rear-jeep-jk-4-88-ratio","title":"Nitro Ring and Pinion Dana 44 Rear Jeep JK 4.88 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 44 JK Rear axle in 4.88 ratio completes the re-gear for Jeep Wrangler JK builds running 35\" tires. Paired with the Nitro Dana 30 or Dana 44 Front 4.88 set, this rear gear set gives the JK a fully matched drivetrain optimized for 35\" tire performance on and off the trail.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 4.88\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 44 Rear — Jeep JK\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 44 Rear Axle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always re-gear front and rear axles to the same ratio simultaneously.\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":49852417605865,"sku":"nitro-ring-pinion-dana-44-rear-jeep-jk-4-88-ratio","price":349.95,"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"},{"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"},{"product_id":"nitro-ring-pinion-dana-44-front-jeep-jk-5-13-ratio","title":"Nitro Ring and Pinion Dana 44 Front Jeep JK 5.13 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 44 JK Front axle in 5.13 ratio is built for Jeep Wrangler JK Rubicon builds running 37\" tires. The 5.13 ratio is the recommended re-gear for 37\" builds, and this Nitro set is engineered specifically for the JK Rubicon's Dana 44 front axle to ensure correct fitment and reliable 4WD engagement.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 5.13\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 44 Front — Jeep JK Rubicon\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 Rubicon — Dana 44 Front Axle\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":50026490560745,"sku":"nitro-ring-pinion-dana-44-front-jeep-jk-5-13-ratio","price":349.95,"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"},{"product_id":"nitro-ring-pinion-dana-44-rear-jeep-jk-5-13-ratio","title":"Nitro Ring and Pinion Dana 44 Rear Jeep JK 5.13 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 44 JK Rear axle in 5.13 ratio completes the re-gear for Jeep Wrangler JK builds running 37\" tires. Paired with the Nitro Dana 30 or Dana 44 Front 5.13 set, this gives the JK a fully matched drivetrain tuned for 37\" tire performance — the deepest practical ratio for street and trail use on the JK platform.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 5.13\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 44 Rear — Jeep JK\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 44 Rear Axle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always re-gear front and rear axles to the same ratio simultaneously.\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":50026490822889,"sku":"nitro-ring-pinion-dana-44-rear-jeep-jk-5-13-ratio","price":349.95,"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"},{"product_id":"nitro-ring-pinion-dana-30-front-jeep-xj-4-88-ratio","title":"Nitro Ring and Pinion Dana 30 Front Jeep XJ 4.88 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Dana 30 HP Front axle on the Jeep Cherokee XJ in 4.88 ratio is the recommended re-gear for XJ builds running 33\"–35\" tires. The XJ's Dana 30 High Pinion front axle uses a specific gear set — this Nitro unit is built to the correct specifications for the XJ's HP Dana 30, delivering reliable performance and correct 4WD engagement.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 4.88\u003c\/li\u003e\n\u003cli\u003eAxle: Dana 30 HP (High Pinion) Front — Jeep Cherokee XJ\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\u003e1984–2001 Jeep Cherokee XJ — Dana 30 HP Front Axle\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":50039119347945,"sku":"nitro-ring-pinion-dana-30-front-jeep-xj-4-88-ratio","price":324.95,"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"},{"product_id":"nitro-ring-pinion-c8-25-rear-jeep-xj-4-88-ratio","title":"Nitro Ring and Pinion C8.25 Rear Jeep XJ 4.88 Ratio","description":"\u003cp\u003eThe Nitro Gear \u0026amp; Axle ring and pinion set for the Chrysler 8.25\" rear axle on the Jeep Cherokee XJ in 4.88 ratio completes the re-gear for XJ builds running 33\"–35\" tires. Paired with the Nitro Dana 30 HP Front 4.88 set, this gives the XJ a fully matched drivetrain optimized for larger tire performance — improving acceleration, crawl ratio, and fuel efficiency under load.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRatio: 4.88\u003c\/li\u003e\n\u003cli\u003eAxle: Chrysler 8.25\" Rear — Jeep Cherokee XJ\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\u003e1984–2001 Jeep Cherokee XJ — Chrysler 8.25\" Rear Axle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always re-gear front and rear axles to the same ratio simultaneously.\u003c\/p\u003e\n","brand":"Nitro","offers":[{"title":"Default Title","offer_id":50039122034921,"sku":"nitro-ring-pinion-c8-25-rear-jeep-xj-4-88-ratio","price":374.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/T8-410-REV__27616.webp?v=1778186351"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/collections\/nitro-9643005.webp?v=1775147779","url":"https:\/\/mbk4x4parts.com\/collections\/nitro-gear-axle.oembed","provider":"MBK4x4Parts","version":"1.0","type":"link"}