PSR Manual Cam Chain Tensioner Suzuki Hayabusa Experience enhanced performance and reliability with the precision-engineered manual cam chain tensioner from Psr. This meticulously designed product replaces problematic automatic or hydraulic cam chain tensioners, offering riders improved control and maintenance of optimal tension in the cam chain, which can prevent engine damage and timing issues. Features: CNC-machined from billet aluminum with a gunmetal finish Replaces OEM automatic/hydraulic tensioner Prevents out-of-timing problems caused by the OEM automatic tensioner Eliminates excess tension/premature engine wear caused by OEM hydraulic tensioner Reduces cam chain rattling caused by factory tensioner failure Note: Image is for reference only.