S&S CYCLE BILLET HEAD BREATHER KIT ANODIZED BLUE HARLEY 1999-17 TWIN CAM
Cylinder Head Breather. 6061 billet aluminum head breathers replace the OEM plastic parts. Blue Anodized. 6061 Billet Aluminum. Dual O-ring for a better seal in the head. 1999, 2007-2010 Harley-Davidson FXSTC Softail Custom - -.