{"product_id":"lingenfelter-performance-pulley-upgrade-kit","title":"Lingenfelter Performance Pulley Upgrade Kit","description":"This kit is designed to deliver substantial horsepower and torque gains beyond the stock 556 horsepower and 551 lbs ft of torque, while carefully managing boost levels and supercharger RPM for safe operation.\n\nThrough rigorous testing at Lingenfelter, this pulley upgrade kit has demonstrated the potential to achieve up to 630 BHP and 630 lbs ft of torque. The kit includes a 2.55-inch diameter steel supercharger drive pulley with a black powder-coated finish, an 8-rib serpentine belt (8PK1655), and a Lingenfelter LS9 solid supercharger isolator coupling. An air duct kit with an LPE logo and a complete installation kit are also provided.\n\nInstallation of this pulley kit necessitates ECM programming. It will also result in an increase of 3-4 psi of boost on a stock engine. For optimal performance and to complete the upgrade, related items such as a K\u0026amp;N air filter and a 160-degree thermostat are recommended and required.","brand":"Lingenfelter Performance Engineering","offers":[{"title":"Default Title","offer_id":52686625702200,"sku":"L250070709","price":589.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/659230542.jpg?v=1784875421","url":"https:\/\/store.motormia.co\/products\/lingenfelter-performance-pulley-upgrade-kit","provider":"MOTORMIA","version":"1.0","type":"link"}