Yamaha YZ450F 2005-2009

Clutch Springs Description:

Pro Circuit Clutch Springs will increase the clutch life, prevent clutch slipping, and has improved engagement over a stock setup for any rider. These high performance springs will help to keep engine temperature down. Riders will notice consistent spring performance throughout time, which is crucial in controlling how efficiently the clutch turns power into acceleration.

Features Include:

• 12-15% stiffer than stock
• More positive clutch engagement
• Prevents clutch slipping
• Consistent spring performance