The Douglas Dynamics 96565 is a genuine chain tensioner kit designed specifically for gas-powered Fisher SteelCaster and Western Striker hopper spreaders. This essential kit ensures optimal drive chain tension for consistent material flow, thereby preventing slippage and extending the lifespan of your spreader's critical components. It includes all necessary hardware like sprockets, shoulder bolts, washers, and locknuts, facilitating a straightforward installation for reliable, high-performance spreading.