Harrelson Trumpets
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  • >
  • Valve Stems (HEVS)
  • >
  • Olds - High Efficiency Valve Stems

Olds - High Efficiency Valve Stems

SKU:
$165.00
100 165 $100.00 - $165.00
Unavailable
per item

HEVS will become available for the following brands in a Kickstarter campaign sometime in 2021

  • Olds
  • Kanstul (including Flip Oakes Wild Thing, many Callet instruments, French Besson marked USA, etc.)
  • Benge (Burbank models)
  • UMI (United Musical Instruments: King, Benge, Conn trumpets after 1985)
  • Bauerfeind (some Taylor, Harrelson, VanLaar, and other brands)
  • Adams


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Send an email by clicking the envelope icon to the right. Or call ahead and visit us for an in-person lesson or tour. 303.657.2747

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  • Performance
    • VIP Private Offers
    • Instagram Community
    • SpectraTone
    • Build My Mouthpiece >
      • Intro to Mouthpieces
      • Artist Series >
        • Artist Bodies
        • Artist Rims
    • Mouthpiece Components >
      • Rim Sizes
      • Cup Sizes
      • Throat Sizes
      • Body Sizes
      • Backbore Sizes
      • Nut Sizes
    • Increase Efficiency >
      • Mod Kits
      • Finger Button Options
    • Adjustable Performance
    • Adjustable Peformance Tools
  • Advantage
    • The Harrelson Story
    • Technology
    • News >
      • Jason's Blog >
        • Jason Harrelson
      • Jen's Blog
      • Clinics & Tours
      • Company History
      • Lessons Link >
        • Teacher Information
      • Get Social
    • Clients >
      • Our Clients >
        • Client Features
      • Trumpet Components >
        • Leadpipes & Bells
        • Tuning Slides & Bell Crooks
        • Receivers
        • Bottom Cap options
        • Water Keys
      • Contact Us
      • Shipping
      • Instrument Registry
      • Acclimation
      • Maintenance
    • Trumpet Momentum >
      • Trumpet Momentum Level 1 >
        • TM 1 - Blog
        • TM 1 - Assessments
        • TM 1 - Exercises
      • Trumpet Momentum Level 2 >
        • TM 2 - Blog
        • TM 2 - Assessments
        • TM 2 - Exercises
        • TM 2 - Beta Testing
      • Trumpet Momentum Level 3 >
        • TM 3 - Blog
        • TM 3 - Assessments
        • TM 3 - Exercises
        • TM 3 - Beta Testing
        • TM 3 - Case Studies
        • TM 3 - Regional Clinics
    • We have Your size
    • 100% Guarantee
  • Store
  • Instruments
    • Model Comparison
    • Buy A Harrelson
    • Muse Modular MMXX
    • 2023 VPS Summit G-Series
    • "X" Series
    • Trumpet Gallery