{"product_id":"hurst-02-128-engineering-ring-pinion-for-gm-12-bolt-truck-3-73-ratio","title":"Hurst 02-128 - Engineering Ring \u0026 Pinion for GM 12-Bolt Truck 3.73 Ratio","description":"\u003cp\u003eHurst 02-128 - Engineering Ring \u0026amp; Pinion for GM 12-Bolt Truck 3.73 Ratio\u003c\/p\u003e\u003cp\u003eHurst Engineering Ring \u0026amp; Pinion for GM 12-Bolt Truck 3.73 Ratio\u003c\/p\u003e\u003cp\u003eCompatible with 1963-1987 Chevy\/GMC C\/K Series Pickup \u0026amp; Blazer\/Jimmy\/Suburban\u003c\/p\u003e\u003cp\u003eEveryone has different needs for their truck.  One of the most dramatic changes you can make to a vehicle are the rear ring and pinion gears.  Whether you are going for aggressive low end response for performance and towing, you're looking to make your truck a highway cruiser, or you have made a change to your wheel and tire size, we have a ring \u0026amp; pinion for you.  Hurst engineering offers gear sets ranging from 3.08 to 4.56 for the GM 12-bolt rear ends to get you exactly where you need to be. 'THICK' gear sets indicate that they are compatible with 3.42 and down differentials.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.73 Ratio\u003c\/li\u003e\n\u003cli\u003eFits Gm 12-Bolt Differentials\u003c\/li\u003e\n\u003cli\u003eGear Tooth Finish Reduces Friction And Heat For Longevity\u003c\/li\u003e\n\u003cli\u003eHigh Grade Steel For Strength And Durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHurst\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eDriveline and Axles\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e6\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGear Ratio\u003c\/strong\u003e: \u003cspan\u003e3.73\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eDifferential Ring and Pinion\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eRing \u0026amp; Pinion\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRear Axle Type\u003c\/strong\u003e: \u003cspan\u003eGM 12-Bolt (12T)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpline Quantity\u003c\/strong\u003e: \u003cspan\u003e30\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eDifferential\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hurst","offers":[{"title":"Default Title","offer_id":49931817976086,"sku":"HRST-02-128","price":432.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_02-128_01_normalized.jpg?v=1776488584","url":"https:\/\/www.cspracing.com\/products\/hurst-02-128-engineering-ring-pinion-for-gm-12-bolt-truck-3-73-ratio","provider":"Complete Street Performance","version":"1.0","type":"link"}