Barnett Clutch Spring Conversion Kit Yamaha Yxz1000R The Coil Clutch Spring Conversion Kit by Barnett offers a noteworthy upgrade from the OE diaphragm-style clutch spring. The kit features a CNC-precision machined pressure plate, six heavy-duty coil clutch springs, spring cups and the necessary hardware. This results in enhanced durability and creates a more progressive, linear engagement. It has been designed for easy installation, requiring no additional modifications to the stock pressure plate or spring. Includes: 6 heavy-duty replacement coil clutch springs Billet HD pressure plate Spring cups Stainless hardware Features: Replaces OE diaphragm spring with six HD coil springs Includes billet aluminum pressure plate Increases durability More linear, progressive engagement Bolt-in installation no modifications required Note : Does not fit SS models.