ProTek RC Samurai 321B Mid Needle O-Ring (2) (Small)
This is a pack of two replacement ProTek R/C Small Mid Needle O-Rings. The mid needle uses one large o-ring (PTK-2533) and one small o-ring for operation. This small o-ring is used on the inside of the needle and the large on the outside.
This product was added to our catalog on November 6, 2014.