Rotax 503 std bore re-ring set. Comes as shown with top gasket set and 2 sets of rings. for your 503.
This is enough to re ring 1 complete engine.
ALL sales are final, no returns, ask question before buying, not after.
Promptly shipped from the usa.
International orders please inquire for shipping charges.
We carry kits for all rotax UL engines up to 583.
