S&S Crankcase Reed Breather Valve For Harley Evo Big Twin '93-99

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