Strokers USA is a proud sponsor of Hiro Koiso Racing
Hiro Koiso racing. "The Faster the better" Forming one of a strongest ally in American V-Twin performance industry. Multiple World and National land speed records on Harley- Davidson.
Hiro Koiso – Pilot / builder,
Jeff Bates – Crew chief / Public relations,
Erin Koiso – Team manager,
Vince Walters – Driver / Crew