Specifically designed for Hydraulic Cam Chain Tensioner Upgrade Kit P/N 25284-11. Kit includes an assortment of six different spacers. Spacers are required to space the cam sprocket to correct alignment with the mating pinion chain sprocket. Required for installation of Screamin' Eagle® Hadraulic Cam Chain Tensioner Upgrade Kit P/N 25284-11. Country of origin: U.S.A.