S&S, reed breather valve. +.030" O.D. - 93-99 Evo B.T. (NU) 541625 Saddlebag supports and mounting straps

Saddlebag supports and mounting straps are not included

Past op: alle 39mm narrow glide voorvorken

For use with most 1999-2019 Harley-Davidson models

fits Knucklehead/Big Twin Flathead 1936-1947

S&S, reed breather valve. +.030" O.D. - 93-99 Evo B.T. (NU) 541625 Saddlebag supports and mounting strapsFor head vented models. Similar in function to the S&S Reed valve for Twin Cam models. Unlike the regular rotating breather valve which is opened and closed by crankshaft rotation and pre set timing, the Reed valve uses actual pressure to open and close on the right moment, at different RPM's this ideal moment varies. This means an advantage for the Reed valve over the regular mechanical timed breather valve in reducing oil carry over, especially in