Pro Circuit Clutch Springs for Kawasaki KX450F (CSK19450-CS)

Upgrade clutch performance with Pro Circuit CSK19450-CS Clutch Springs, engineered for Kawasaki KX450F applications. These springs are designed to deliver 12–15% more stiffness than stock, providing a firmer and more positive clutch engagement for improved control during starts, corner exits, and demanding riding conditions. The increased spring rate helps maintain consistent clutch pressure and reduces the likelihood of clutch slipping under load.
The Pro Circuit CSK19450-CS clutch spring set helps transfer engine power more effectively through the drivetrain, allowing riders to better control how efficiently clutch input becomes acceleration. Consistent spring performance supports predictable lever feel and engagement throughout a ride, making these springs a practical choice for motocross, off-road, and performance-focused applications. Their design is intended to complement the clutch system of compatible Kawasaki KX450F models without unnecessary modifications.
Built for riders seeking stronger clutch response and dependable performance, Pro Circuit CSK19450-CS Clutch Springs offer a targeted upgrade over stock springs. Whether replacing worn components or fine-tuning clutch behavior, this set helps improve engagement consistency while supporting confident power delivery. Verify motorcycle model-year compatibility before installation and follow the manufacturer’s service procedures for proper clutch adjustment.

Features:

• 12–15% stiffer than stock for increased clutch pressure

• Provides more positive clutch engagement

• Helps prevent clutch slipping under load

• Delivers consistent spring performance

• Helps control how efficiently clutch power becomes acceleration

Ships from Parts Unlimited.