{"product_id":"3-91-rear-gear-set","title":"3.91 Rear Gear Set","description":"The Chevrolet Performance 3.91 Gear Kit is engineered to enhance torque multiplication for Gen 5 Camaros equipped with manual transmissions, providing a 13% increase over the standard 3.45 ratio, and for automatic transmissions, offering a 20% increase over the standard 3.27 ratio. This gear set is the exact original equipment ratio specified for the 2013-2015 Camaro 1LE package.\n\nThis kit includes essential components for installation, such as a rear cover gasket, front pinion seal, drive shaft coupling nuts and bolts, limited-slip differential oil additive, pinion crush spacer, pinion drive nut, and ring gear bolts. It also includes a GM calibration for a dealer reflash of the speedometer and a new certification label to ensure proper functionality and accuracy.\n\nInstallation of this gear kit requires a speedometer calibration reflash performed by a GM dealership, which is included with the kit. Any additional labor or diagnostic services requested by the owner are the responsibility of the vehicle owner. The components included are a 3.91 ratio gear kit, rear cover gasket, front pinion seal, drive shaft coupling hardware, differential oil additive, pinion hardware, and ring gear bolts.","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":52687375368504,"sku":"19329768","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660684826.jpg?v=1784883432","url":"https:\/\/store.motormia.co\/products\/3-91-rear-gear-set","provider":"MOTORMIA","version":"1.0","type":"link"}