When we were testing the SP-1 "Superpump-Kit", we wondered if it would be possible to adjust the oil pressure with the engine running? So, after some more intense studying of the Harley Davidson oil pump, we came up with the idea for a prototype of the "Pro-Just". When tested, we were thrilled to see that we could raise, lower and set the oil pressure exactly were we wanted it. With this successful testing, the "Pro-Just" was born.
The "Pro-Just" is an adjustable pressure relief cap that allows the precise adjustment of oil pressure. Each body is made from "BILLET" 6061 aluminum and is
counter bored to accept an o-ring. The o-ring seals around a knurled stainless steel thumbscrew that provides the adjustment. Each kit includes a teflon gasket for sealing to the oil pump and the "blue" spring from the "Superpump-Kit".
E.R.T. Products, Inc. is proud to offer our Harley Davidson parts for your Harley Davidson motorcycle! As with all of our Harley Davidson parts, the PJ-1 comes with a one year warranty.