{"product_id":"spartan-locker-for-gm-8-5-inch-28-spline-axle","title":"Spartan Locker for GM 8.5-Inch 28-Spline Axle","description":"The Spartan Locker is a mechanical differential locker that provides reliable 100% lockup traction for GM 8.5-inch axles with 28 spline counts. It is constructed from 9310 steel for enhanced strength.\n\nThis locker is designed as a 'lunchbox' style upgrade, meaning it replaces the existing spiders within a standard carrier case, simplifying installation. Its revolutionary spring and pin design eliminates the need for thrust washers.","brand":"Zumbrota Drivetrain","offers":[{"title":"Default Title","offer_id":52870936658232,"sku":"SL GM8.5-28","price":661.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/spartan-locker-for-gm-8-5-inch-28-spline-axle","provider":"MOTORMIA","version":"1.0","type":"link"}