90 Degree O2 Sensor Short Spacer
Polished at the fit, tightening is perfect
Washer can adjust the angle of screwing in the extender.
Threads are made with special tools and are very accurate and suitable for repeated use.
Exhaust gas inlet hole 2 mm; In extreme situations narrowing of the inlet hole prevents motor failure (driving at high speed).
Internal and External Thread: M18x1.5
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