TracTuff J Series Water Neck Flanges - V1
You've swapped in a J Series... almost everything is right where you want it. Everything except for that MONSTROSITY of a water neck starring back at you.
The OEM J Series water neck has a lot going on; so much that it would be very difficult and expensive to machine all of them in a billet alternative. So I set out to make a simple set of flanges that would allow me to build custom solutions that incorporate just those things that each customer would need. These are designed to be the base of a premium water neck solution.
If you are looking to eliminate all the factory connections and features... these can be used as is OR fabricated into pretty much anything you can dream up.
Flanges are machined from US milled 6061 aluminum and incorporate -16 ORB outlet ports for each cylinder head as well as a -16 ORB inlet port for the water pump inlet tube. The front cylinder flange (four bolt) is machined to uniquely hold the OEM water cross-over tube (pump inlet), o-ring, and OEM gasket (not included). The rear flange has been machined for an o-ring and includes an Dash 123 o-ring.
In 2020 I made a revision to the front cylinder head flanges water cross-over tube holder so that it would work with GM transmissions that are popular in the off-road world and got lucky that the same change accommodated both generations of the InlinePro J2K adapters.
NOTE: If you are interested in a custom fabrication job using these flanges, please email us at sales@tractuff.com. Understand that the J Series Water Neck Flange shown eliminate the thermostat, the internal thermostat water bypass, ECT sensor, and fan switch. If you need any of those things I recommend you contract me for a custom fabricated assembly or see my fabricated options.
The water cross-over tube mount is unfortunately to low to work with scatter shields so you'll have to reach out to us so we can rethink your plumbing if you need to run one.
If you plan to use the flanges as is, I highly recommend adding my port fittings, as the thread depth of the ORB ports not conventional. The average port fitting may bottom out before the o-ring crushes/ seats. You can also modify yours to have a max thread length of .4890".