This Yamaha valve repair kit includes everything you need to keep your trumpet in top condition. The high-quality springs, stem, and felt ensure smooth and responsive valve action. Trust in Yamaha's expertise for a reliable and professional repair solution.

All items are OEM supplied by Yamaha and do a nice job of restoring fast valve action when the trumpet has straight valves and casings. This kit will not restore valve action if valves are not straight and horn requires additional valve work.

The springs measure:  39.20mm Length x 8.75mm Diameter