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These parts were designed to allow you to convert your WP 4cs fork into a "works" performing  kyb fork. This is the same fork that everyone has been raving about on the yamaha for years! These parts need to be installed by a skilled suspension tuner. You will need to source kyb cartridges or you can purchase here.

4cs to KYB conversion parts

  • international shipping will be added to your order. Please contact us for added fees.

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