S&S, reed breather valve. STD O.D. - 93-99 Evo B.T. (NU) 510665 to allow you to fabricate

to allow you to fabricate your own exhaust system

Heatshield front 902387

OEM replacement reference 68521-63A

Each Kit is designed to mate a specific height bar to your model

Weight: 2lbs 8oz

S&S, reed breather valve. STD O.D. - 93-99 Evo B.T. (NU) 510665 to allow you to fabricateFor 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