Yamaha - High Efficiency Valve Stems
New for 2021...
Harrelson High Efficiency Valve Stems are available in our highest efficiency variations for Bach, Yamaha, Schilke, and CarolBrass trumpets. Precision machined from solid brass, our HEVS are available in Cylindrical, Spiral, and Sparkle variations. Sold in sets of 3.
Type A - fits most standard professional and student line Bb and C trumpets
Type B - fits most Signature models (Z, EM, etc.) and 4XXX series
You can measure your current valve stems with the downloadable printout below. Or see photos of variations in this listing.
Unsure of which to choose? Call us for a free measurement tool or send photos to firstname.lastname@example.org