Pro X Cam Chain Honda / KTM / Husqvarna 450cc-501cc The Pro X Cam Chains, created by Borg Warner in Japan, are designed as direct alternatives to the standard factory cam chain. They aim to meet or even surpass OEM specifications. Features: Strong M-Type chain with heat treated pins Advanced pin and link connections for maximum performance and durability Made in Japan by Borg Warner, supplier for many OEMs