Yamaha - High Efficiency Valve Stems
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.
Schilke - High Efficiency Valve Stems
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
Bach Stradivarius - High Efficiency Valve Stems
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.
Taylor, Eclipse, Hoxon, Carol, HG - High Efficiency Valve Stems
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.
Harrelson High Efficiency Valve Stems
Harrelson High Efficiency Valve Stems were specifically designed to add efficiency in three levels, Please call to order any efficiency level other than high. Precision machined from solid brass, our valve stems are available in plain and stylized options. Sold in sets of 3.
Currently only available for Harrelson Trumpets made after 2010.
Bauerfeind (some Taylor, Harrelson, VanLaar, Adams) - High Efficiency Valve Stems
Sold out
HEVS will become available for the following brands in a Kickstarter campaign sometime in 2021
- Benge (Burbank models)
- UMI (United Musical Instruments: King, Benge, Conn trumpets after 1985)
- Bauerfeind (some Taylor, Harrelson, VanLaar, Adams, and other brands)
Kanstul, Wild Thing, Besson (USA), Callet - High Efficiency Valve Stems
Now available for the following brands...
- Olds
- Kanstul (including Flip Oakes Wild Thing, many Callet instruments, French Besson marked USA, etc.)
UMI (King, Benge, Conn) - High Efficiency Valve Stems
Sold out
HEVS will become available for the following brands in a Kickstarter campaign sometime in 2021
- Benge (Burbank models)
- UMI (United Musical Instruments: King, Benge, Conn trumpets after 1985)
- Bauerfeind (some Taylor, Harrelson, VanLaar, and other brands)
- Adams
Benge (Burbank models) - High Efficiency Valve Stems
Sold out
HEVS will become available for the following brands in a Kickstarter campaign sometime in 2024
- Benge (Burbank models)
- UMI (United Musical Instruments: King, Benge, Conn trumpets after 1985)
- Bauerfeind (some Taylor, Harrelson, VanLaar, and other brands)
- Adams
King (vintage) - High Efficiency Valve Stems
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.
This set will fit King trumpets manufactured as in the last photo of this listing. King Silver Flair is the most common match, other models will also fit.
Olds - High Efficiency Valve Stems
HEVS will become available for the following brands in a Kickstarter campaign sometime in 2024
- Benge (Burbank models)
- UMI (United Musical Instruments: King, Benge, Conn trumpets after 1985)
- Bauerfeind (some Taylor, Harrelson, VanLaar, and other brands)
- Adams