Wiseco CSK053 Clutch Spring Kit for 2009-2012 CRF450R

The Wiseco CSK053 Clutch Spring Kit is a direct-replacement spring set engineered for improved clutch performance and reliability. Designed for the Honda CRF450R (2009–2012), these springs deliver a firmer, more consistent clutch engagement compared to stock units—helping eliminate clutch slip under hard acceleration and demanding riding conditions.

Key Features:

• Premium steel construction — manufactured from high-quality steel for long-lasting durability
• Shot-peened finish — reduces surface stress and extends spring fatigue life
• Heat-treated — provides superior resilience and resistance to spring sag over time
• Stiffer spring rate — ensures positive, consistent clutch lockup every time
• Direct OEM replacement — drops in without modification for a straightforward install

Whether you're racing or trail riding, Wiseco clutch springs help maintain proper clutch pressure so you can focus on the ride. A simple, cost-effective upgrade to restore or improve clutch feel and prevent slippage.