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Pin knock, for O-ring between head and cylinder, original Honda
![Pin knock, for O-ring between head and cylinder, original Honda](https://4stroke-parts.com//Files/2/47000/47067/ProductPhotos/Large/2011825617.png)
![Pin knock, for O-ring between head and cylinder, original Honda](https://4stroke-parts.com//Files/2/47000/47067/ProductPhotos/Medium/2011825617.png)
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Product description
Pin knock to center the o-ring between the head and cylinder. This one comes over the stud.
This bushing is used for the Honda NT and replacement engines.
Such as: AB23, GK4, Skyteam, Jincheng, Zhenhua, Zongshen, Lifan.
The collar is 9.5mm, the bushing is 10mm long.