Feuling Polished Vented Oil Dipstick fits 2006-2017 Harley Dyna Twin Cam

VENTED DIPSTICK

• Screws into the factory oil fill spout as a stock replacement part
• These breathing dipsticks remove unwanted build-up of blow by, which is found in engines with excessive leakdown through the rings/cylinders (a common issue with large displacement big bore engines)
• Feuling test results show a decrease in engine oil sump levels, more freely/smoother revving engine, increased MPG and decreased blow-by
• Dipsticks vent excessive pressure from the oil tank through a breather system consisting of a filter element and umbrella valve
• Choose from two venting style options when installing the dipstick
• Option 1 is to use the 1/8​"​ NPT breather vent fitting with internal porous filter element (this option gives a clean look; however it can produce an oil misting/residue out of the element on engines with excessive leakdown/blow by)
• Option 2 is to use a quick-disconnect coupler fitting with rubber hose and filter element (this option will run any excessive oil misting/residue through the line and into the filter element, but does requires disconnecting the fitting in order to check the oil)
• For Option 2, Feuling recommends routing the line up the frame rail, up under the seat/abs area then back down along the right side frame rail and the filter element can fit cleanly between the engine/trans matting area on the inside of the lower right frame rail
• There are two ways to read the oil level with this dipstick, with the bike on the jiffy stand (FHS) or the bike upright and level (FHU)
• If reading the dipstick with the bike on the jiffy stand you will take your reading from the dimples labeled FHS (Full Hot Stand)
• When reading the dipstick with the bike upright and level you will take the reading from the dimples labeled FHU (Full Hot Upright)
• Made in the U.S.A.