ProTek RC Samurai RM, S03 & R03 Mid and High Speed Needle O-Ring (2) (Large)


This is a pack of two replacement ProTek R/C Large Mid Needle O-Rings for RM, 321B, S03 and R03 engines. The Mid Needle requires the use of one large and one small o-ring (PTK-2534) for operation.

ProTek R/C Samurai 321B

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