Home > Prototyping, Ultra4 > Prototype Pro Series Rotor spy shot.

Prototype Pro Series Rotor spy shot.

July 2nd2012
 By Thom Kingston on 2012-07-02T08:21:16-06:00 | Prototyping, Ultra4

Prototype Pro Series action.

It was a busy weekend, but we’re now wrapping up the first set of prototype Pro Series Rotors. Next up, double disc grinding, then they’ll be ready for Glen Helen. Be sure to check out yesterday’s blog post for more rotor details.