37871-98 Diaphragm Clutch Spring for 1998-2000 Big Twin & 1999-2017 Twin Cam

This Barnett diaphragm clutch spring serves as a replacement for the original equipment on various Big Twin and Twin Cam models. Designed to restore factory-spec clutch engagement, this spring is a critical component for ensuring consistent pressure across the clutch pack. Barnett is a long-standing leader in friction technology, providing reliable alternatives to factory hardware. This specific spring corresponds to OEM number 37871-98 and is an essential part for routine primary maintenance or clutch overhauls. It offers the precise tension required for smooth shifting and power transfer in standard Harley-Davidson primary drives, ensuring the clutch operates within its intended parameters.