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American made Horsepower for Harley-Davidson Motorcycles


Easy Horsepower gains by updating your oil pressure to factory Harley-Davidson Specs.

Our SP-1 "Superpump-Kit" WILL INCREASE your oil pressure!

To PRECISELY SET your oil pressure, use our PJ-2 "Pro-Just".

For Shovelhead and Evolution engines.

Twin Cams

Realize REAL Performance gains in your Twin Cam engine by using our SP-TC "Superpump-Kit".

 Our TC-EZ tool simplifies the installation of the        SP-TC "Superpump-Kit".

For all Twin Cam engines.


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. 

Wet Sumping

Wet sumping can be a serious problem for a Harley-Davidson engine. 

We explain what wet sumping is, why it occurs, and how to fix it.

Call us to order any of our American made Harley-Davidson parts today! 
(765) 409-8013

Your Satisfaction Is Guaranteed!

Since 1990, we have been dedicated to providing the finest oil system components for Harley-Davidson motorcycles.

We have been working on Harley-Davidson motorcycles for more than 30 years and offer only the best and

most precise products available. I know for a FACT that my American made products will increase performance and

regulate correct oil pressure in Harley-Davidson engines! We stand behind our quality, along with offering a money back

guarantee, we also include a one year warranty on all of our products.

       W.J. EMMITT


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