Dont know the brand, but you can get them from Columbia Airmotive in Troutdale Oregon. They are on the web.
Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
7AC Champ - (Sold)
Bucker Jungmann - (restoration almost done!)
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.