OS-46066319
OS-46066319 OS High-Speed / Mid-Speed Needle O-Ring (2)
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OS-46066319 OS High-Speed / Mid-Speed Needle O-Ring (2)
Replacement O-Ring for the high-speed needle and the larger of the two O-Ring's used on the mid-speed needle, used on many OS engine carburettors, including the popular 21J and 22E carburettors used on the later .21 off-road buggy engines.