Clutch Diaphragm Springs 98+ Big Twin
Several clutch springs are available to create the perfect clutch for your motor. A change from the stock H-D spring will alter the clutch lever effort and clutch pressure.
Diaphragm Spring 340 lbs
340 lbs pressure, 10% stronger than stock for 6 Speed with 95" Motor Models .
Same pressure as stock spring for 103" motor Models
Diaphragm Spring 380 lbs
- 380 lbs pressure, 10% stronger than stock.
- Same pressure as Screamin Eagle heavy-duty spring.
Diaphragm Spring 480 lbs
- 480 lbs pressure, 40% stronger than stock.