Easy Horsepower gains by updating your oil pressure to Factory Harley specs. Our SP-1 WILL increase your oil pressure!!! To precisely set your oil pressure, use our PJ-2 Pro-Just!!!
Realize REAL Performance gains in your Twin Cam engine by using our SP-TC!!! Installation without removing the Cam Plate made easy by using our TC-EZ!!!
Monitor the oil pressure on your Harley-Davidson with confidence!!! The Pro-Gauge is designed specifically for the harsh environment encountered by the air-cooled engine.
Since 1990 E.R.T. Products, Inc. has provided American made performance motorcycle parts.
We specialize in Increasing Harley oil pressure which cures noisy lifters & gains Horsepower!!!
Improve performance and quiet your engine at the same time!!!
I installed the Pro-Just on my Evo custom. It works like a dream. I have all the oil pressure I need now. It is a pleasure to finally buy something for a Harley that works. Thanks a lot for your help. I will be telling all the Harley guys that I know about your stuff!
The springs arrived today and all I can say is OMG! Before I changed the spring I had 4 lbs. of pressure at idle with a cold engine and 18 lbs. at 2500 rpm. When the engine warmed up I lost all pressure at idle with the red warning light on and the gauge showing 0 lbs and got 15 lbs at 55 mph. The engine also rattled and ticked at idle badly. I installed the blue spring and took it for a drive. I now have 12 lbs.at idle and 35 lbs at 55 mph or faster. I am amazed! This is for sure the best thing I've bought for my bike yet and I'll be telling any and everyone who'll listen about what your product did for my Harley!
I recently received the PJ-2 Pro-Just from you. I just want to tell you that it does a great job of allowing me to contol the oil pressure on my 95 Road King. Up until now I had increased the oil pressure by adding a spacer above the stock spring. Although that did help it did not give me consistent oil pressure at both idle and higher RPM. I believe that was related to the spring rate not being what was needed. I am now consistently running 35 psi at speeds of 50 mph and above, idle pressure is around 14 psi. Just want to tell you I am pleased with the PJ-2. Great product!
The unit is great! And with the aid of the oil pressure gauge, I have brought up the oil pressure to the correct levels using the PJ-2. I can now ride in peace, knowing that the most vital part of my engine( most vital part of any engine, OIL ) is being fed to all the necessary moving parts. Thanx again for sending it.