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Quantity
1
Description
4130 3/8 Mounting Cup
CNC Machined for strength
Used in our seat mount kits. But can be used for any of your projects!
Fits 3/8 Bolt. Has thicker wall for strength when mounting seats with them.
Reviews
5.0
4 ratings
5
4
3
2
1
I love using these to mount different things
J
Jacob · July 28, 2026
These cups have greatly simplified getting a kirkey seat solidly mounted.
D
David · December 3, 2025
They offer great customer service. After ordering them and receiving I realized not exactly what I needed. Spoke to them and made an exchange. Very nice people to deal with.