New Magnum Power pulley idler bridge bracket upgrade and new Ford tensioner for supercharged 1999-04 Ford F-150 Lightning and supercharged 02-03 F-150 HarleyDavidson edition .
Tired of your supercharger belt slipping and losing power? Magnum Powers has the answer with our new Idler Bracket that increased belt wrap around the blower pulley by 45 degrees. The Magnum Powers Idler Bracket that replaces your original is pictured below with its adjustable third idler post. The top post can be adjusted up close up under the supercharger pulley for maximum wrap and can accommodate blower pulleys of various diameters.