Yamaha SR - Valve Cover With See-Through Window Valve Covers With See-Through Acrylic Glass Window $45.00 Quantity: at $45.00 each Add To Basket This beautiful aluminium alloy valve cover features a transparent acrylic glass to allow the vision of the valve's movement. Fit all types of Yamaha SR, XT and TT. Comes with an o-ring. The price is for 1 valve cover. This valve cover is meant to fit the exhaust valve ONLY.