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Wiseco CSK020 Clutch Spring Kit for KX450F / KFX450R / RM125

(2008-2014 Kawasaki KFX450R; 2006-2020 Kawasaki KX450F; 2008-2020 Kawasaki KLX450R; 1992-2000 Suzuki RM125)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

CSK020
7 reviews
Sale Price

$34.99

Estimated ship date Monday, November 23

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No Hassle Returns

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco CSK020 Clutch Spring Kit is a direct-replacement clutch spring set engineered to deliver consistent, reliable clutch engagement in demanding off-road and motocross conditions. Designed as a performance upgrade over stock springs, this kit is built to prevent clutch slip and maintain positive lockup even under aggressive riding and high-heat situations.

Key Features:

  • Premium steel construction — manufactured from high-quality steel for long-lasting durability and fatigue resistance
  • Shot-peened finish — improves surface strength and extends spring service life by reducing stress fractures
  • Heat-treated — ensures consistent spring rate and performance retention under repeated thermal cycling
  • Stiffer spring rate — firmer than OEM springs to guarantee positive clutch lockup and eliminate slipping under hard acceleration
  • Direct OEM replacement — designed as a drop-in fit requiring no modifications

Wiseco clutch springs are a trusted upgrade for riders looking to restore or improve clutch feel and reliability. The CSK020 is a complete spring kit supplying all springs needed for a full clutch service.

Products specifications

Fits

2008-2014 Kawasaki KFX450R; 2006-2020 Kawasaki KX450F; 2008-2020 Kawasaki KLX450R; 1992-2000 Suzuki RM125

Good price and a easy web sight

Said 2 day shipping, took well over a week, otherwise no issues.

I've ordered several parts from THmotorsports over the years and they never fail to send me the correct part at some of the best pricing on the internet. They have a huge catalog with parts that you might not find at other retailers. I've also asked questions in the past and they are always on top of it when you need help. Will definitely continue to do business with them and would recommend them to anyone!

Thank you

I was not informed that my order was shipped out. When I called and asked about it the rep said it would ship out next week. Later that day I got a notice from FedEx that my order was out for delivery. The product I bought was the correct item I ordered ' brand new in the box' so everything was good in that way.

Order was done with no hassle..Thankyou I hope this product performs beyond expectations. My original tires gave me 63k miles

Quick and easy

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