• Main Spring Set improves clutch engagement when using higher-rate clutch discs
• 6 PCS/SET

Know youre racing with the best.

Yoshimura R&D is theonlyauthorized distributor in North America for our sister companies Yoshimura Japan (YJP) and Yoshimura Asia (YAT). YJP/YAT develop and test racing components that are un-restricted versions than the choked-down systems which are required for more restrictive marketplaces like Japan and Europe. This imported product is specially configured for less restrictive markets. In other words, youre getting a custom exhaust thats perfect for racing in the US market.

What your missing if you dont buy U.S. spec through us!

• In-house warranty and technical support
• Certificate of authenticity
• Full 12-month warranty