712123 Replacement Parts Diaphragm Spring for Zpn 712106 712121 712

The Tak's Performance Parts 190 lbs diaphragm spring is a heavy-duty component for Variable Pressure Clutch setups. This loose-style spring is engineered to work with centrifugal force systems, offering a lighter lever pull at idle while delivering increased clamping pressure as RPMs rise. The 190 lbs rating provides a stronger base tension for performance applications, ensuring the clutch remains engaged under load. By utilizing this TPP spring, riders benefit from improved disengagement and a more precise feel at the lever, making it easier to navigate traffic and find neutral. It is a specialized hardware solution for Harley-Davidson owners seeking to upgrade their primary drive for better power transfer and control.