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Engine Bottom End / Oil Pump

Today’s big inch, high performance Harley® engines produce a lot of power with just a twist of the throttle. That power can be a lot of fun, but can also create a lot of stress and wear on critical bottom end and oil pump components. Additionally, a healthy, well-performing oiling system is critical to ease the heat and stress of fast-moving, high demand parts like pistons and cams. If you’re considering a big inch build, or want to upgrade parts on an existing engine, Zipper’s Performance offers the strongest, most reliable and innovative components on the market. Here you’ll find the latest offerings from Zipper’s as well as notable manufacturers like Feuling®, JIMS®, S&S® and Timken®.