I need an O ring for the top of an Aro-tek hydraulic cylinder for a 360 nose gear. Any ideas?

Perfect! Thank you.

Hello all. I recently purchased a 360 kit that was "mostly finished." The builder chose to not use the header tank for fear of a fire in cockpit. The wing fuel lines have been run but are using 1/4" lines and are fixed in the wing, however, the manual warns to use 3/8" lines if t...