S&S Standard Diameter Crankcase Reed Breather Valve For Harley Evo Big Twin
If you have blow by with oil weeping from your crankcase breathers, S&S has your solution. This is reed style breather that has no gear and is opened by crankcase pressure. Easy installation
Features:
- The reed valves automatically compensate for the lag time associated with accelerating the mass of air as it is forced out of the crankcase, increasing performance and stopping high-rpm oil carryover in engines with marginal piston ring seal
- Installation is fast and simple; no aligning timing marks and no rotating parts
- Made in the USA
93-98 | Harley-Davidson FLH |
93-98 | Harley-Davidson FXD |
93-99 | Harley-Davidson FXST, FLST |