Taylor, Eclipse, Hoxon, Carol, HG - High Efficiency Valve Stems
If you missed our Kickstarter campaign, we are taking pre-orders that will ship in January of 2021.
Harrelson High Efficiency Valve Stems are available in our highest efficiency variations for Bach, Yamaha, Schilke, Hoxon (HG), and CarolBrass trumpets. Precision machined from solid brass, our HEVS are available in Cylindrical, Spiral, and Sparkle variations. Sold in sets of 3.
These will fit all standard HG valvesets including Phaeton, Carol, and many custom made trumpets that use the HG pistons.