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Mega O-Ring for Hi Speed Needle (2)
MEG202072
Pair of high-durometer rubber O-rings for the high-speed needle valve on Mega ZX21 and ZX12/15 DSII+ RC nitro engines, providing leak-proof sealing and smooth needle adjustment for precise fuel metering
Fine-tune your Mega ZX21 or ZX12/15 DSII+ nitro engine with confidence using this essential 2-pack of O-rings for the high-speed needle assembly. Crafted from fuel-resistant rubber, these precision seals prevent air and fuel leaks around the needle shaft, ensuring accurate mixture control and stable performance across the RPM range. A genuine Serpent Mega replacement part, perfect for racers demanding repeatability and reliability—keep spares in your pit box to maintain razor-sharp tuning lap after lap.
