Consider these brackets to be convenient problem-solvers! Lingenfelter Performance Engineering idler pulley relocation brackets enable you to install a larger-diameter supercharger pulley on the harmonic balancer or damper, if the stock idler does not have enough clearance. Each kit includes a black hard-coat anodized 6061 billet aluminum bracket and stainless fasteners. These brackets are designed to work with the stock idler pulley and can also be used with certain Lingenfelter idlers.