Feuling Black Vented Oil Dipstick fits 06-17 Harley Dyna Twin Cam 4 MM / 22 MM

4 MM / 22 MM (7/8") / 1" UNITS KIT RIDING STYLE STREET

Micrometer preload adjuster and internal linear spring guide is designed for and unique to the Legend AXEO43 system

CNC-machined billet aluminum riser extensions

Some models may require sending unit modification

2015-2017 Polaris RZR 900 XC 4x4 Front - Upper: 2015-2017

Feuling Black Vented Oil Dipstick fits 06-17 Harley Dyna Twin Cam 4 MM / 22 MMVented 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