13-tooth clutch bell created from HUDY metal, precision-machined on a special gear device. Strategically lightened without needing to lose energy or durability to lessen rotating mass. The 3x ball-bearing design originated to acquire extra precise and wobble-free procedure. Less play the clutch bell increases performance and far longer lifespan for bearings and clutch bell. Lightweight design with machined spaces in fact allows you to reduce temperature build-up inside clutch. Fits just 4-shoe clutch #358400.