For models using HD Hyd System
Notes: Fits 1998-2017 Big Twin, Twin Cam models. Converts stock diaphragm spring to six coil springs. Provides a more progressive, controllable engagement. Billet pressure plate and springs included- replaces stock pressure plate/spring. Three different spring pressure options make it ideal for stock to heavy duty applications. Fits models using HD hydraulic system.
Note: Does not fit 2013-17 narrow primary models.
Fits these Bikes:
1998-2017 Harley Davidson Big Twin