Reed valve assys + valve seat gaskets kit fits for Yamaha Banshee 350 YFZ350 1987-2006 all models.. Aftermarket parts, approx 2.4HP over the stock ones. Easy to install, no instructions.. Replaces for reed valve assys: 2GU-13610-01-00; for valve seat gaskets 3GG-13621-00-00, 31K-13621-00-00, 55K-13621-01-00.. Made of aluminum 6061 T6, cast and CNC milled. Meet or exceed original standards..
