O-ring float bowl drain bolt for Keihin carburetors.
Genuine Keihin high quality part.
Keihin part number: 16173-001-0040 / 018-664.
This fits:
- Keihin PWK carburetors (all)
- Keihin PWM carburetors (all)
- Keihin PJ carburetors (all)
- Keihin PE 20-38 carburetors.
Complete as pictured.