{"product_id":"hurst-engineering-limited-slip-differential-gm-12-bolt-truck-3-73-gear-ratio","title":"Hurst Engineering Limited Slip Differential - GM 12-Bolt Truck,3.73+ Gear Ratio","description":"Are you stuggling for traction, or just have some terrible noise coming from the GM 12-bolt in your truck?  Hurst Engineering Limited Slip Differentials offer great traction and strength, but are not overly aggressive for the street. These differentials are 4-spring, composite, clutch-style, limited-slip carriers-with internal gears machined from forged 4320 steel and stronger teeth.  These differentials are for GM 12-bolt 30 spline rear ends, and are compatible with 3.73-UP ring \u0026amp; pinion gears. Get rid of that old open differential and upgrade to a limited slip unit!","brand":"Hurst","offers":[{"title":"Default Title","offer_id":47594561798301,"sku":"BCCS_02-125","price":665.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/8020\/5981\/files\/02-125_01.jpg?v=1769376666","url":"https:\/\/islandperformance.com\/products\/hurst-engineering-limited-slip-differential-gm-12-bolt-truck-3-73-gear-ratio","provider":"Island Performance ","version":"1.0","type":"link"}