Pro-tek oil filler caps are machined from 6061 T6 billet aerospace aluminum and replaces the stock plastic caps for added look to dress up the bike.  Available in five anodized colors: Red, Blue, Silver, Gold, Black.  Also have chrome available at no extra charge,  just please specify which color or chrome you want when ordering. Comes complete with O-ring gasket.  Normally retail for $15.00 and chrome for $20.00.