Boyd 2" NPSM Neck to Fill Thru Cap Adapter

CAP SHOWN IN PICTURES IS FOR REFERENCE ONLY, IT IS NOT INCLUDED.

This Precision CNC Machined Aluminum Adapter can be threaded onto any Boyd 2" NPSM neck to convert the neck to popular OEM style click and Fill Thru Caps.  Can also be used on 2" NPT Pipe nipples commonly found on big box store transfer tanks.

This will increase the height of your neck approx 5/8" + the height of your cap that your are using.

Includes:

1) CNC Machined Adapter from 6061-T6
1) Buna-N Gasket

How to use?

1) remove old cap
2) verify threads are 2" NPT or NPSM @ 11.5" TPI
3) verify gasket is installed
4) Verify new OEM Cap (You Supply) threads into adapter
5) Add small amount of thread locker like Loctite blue
6) secure adapter to neck and allow thread locker to set
7) thread in new OEM style Cap.

This adapter will work with MANY OEM style caps that use a long course thread and Typical fill thru cap brands like Hagan, Tanks INC, Permacap.

CAP SHOWN IN PICTURES IS FOR REFERENCE ONLY, IT IS NOT INCLUDED.