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.
- Camshafts w/ adjustable cam sprockets and seat shims
- Stock lift, and longer duration than stock
- No cylinder head or piston modifications necessary
- AMA Superbike legal
- Engine rev limit can be raised up to 14,000 rpm by EM Pro. (STD 13,500 rpm)
- MAX LIFT (mm) : IN 9.55mm / EX 8.72mm
- 1mm DURATION (degrees) : IN degrees / EX 254 degrees
- Standard Tappet Clearance mm) : IN 0.13mm / EX 0.15mm
* Cam timing should be set by a qualified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.
Know you’re racing with the best.
Yoshimura R&D is the only authorized 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, you’re getting a custom exhaust that’s perfect for racing in the US market.
What your missing if you don’t buy U.S. spec through us!
- In-house warranty and technical support
- Certificate of authenticity
- Full 12-month warranty