Our camshafts are Made in Japan from premium materials. Our cams are precision ground from billet blanks using high-tolerance equipment, not welded and reground. These kits come complete and there’s no need for additional purchases. When performance counts, trust Yoshimura.

Camshaft Specifications

• Type: ST-1M
• MAX LIFT(mm): IN 6.25mm/EX 6.25mm
• 1mm DURATION(): IN 225/EX 220
• Tappet Clearance(mm): IN 0.08-0.12mm/EX 0.08-0.12

• This camshaft requires fuel injection adjustment. Without remapping, full performance gain is not expected.
• Valve timing must be measured and adjusted when installing. *Cam timing should be set by a qualified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.
• Tappet clearance must be measured and adjusted when installing.

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