{"product_id":"f-4x-140-1-centrifugal-supercharger-head-unit","title":"F-4X-140-1 Centrifugal Supercharger Head Unit","description":"The ProCharger F-4X-140-1 is an advanced self-contained centrifugal supercharger engineered for serious drag racing and high-horsepower engine setups. Built for extreme performance, it utilizes a patented high-speed compound bearing design and proprietary synthetic oil, eliminating the need for external oil lines or pumps. The construction includes an ultra-rigid billet gearcase and CNC-machined 7075 aluminum billet impeller to ensure durability under intense operating conditions, with a step-up ratio of 4.77:1.\n\nThis supercharger supports up to 3,700 horsepower and 65 PSI of boost, making it suitable for high-winding small-block or large-displacement big-block racing engines. The head unit features a 13.5-inch volute diameter, a 6-inch inlet, and a 4.5-inch outlet, with a standard rotation orientation. Precision-ground internal components allow for sustained high-RPM operation while minimizing parasitic power loss.","brand":"ProCharger","offers":[{"title":"Default Title","offer_id":52663357538616,"sku":"PC318A-141","price":16998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687529539.jpg?v=1784326227","url":"https:\/\/store.motormia.co\/products\/f-4x-140-1-centrifugal-supercharger-head-unit","provider":"MOTORMIA","version":"1.0","type":"link"}