Top Nav


  • Ducati Valve Shim KitsOptimized Kits Now Include More Common Sizes
  • Ducati Valve AdjustmentShim Kits For Your 2 or 4 Valve Ducati
  • Opener and closer shims and kitsDesmodromic shims, tools and expertise. MBP Valve Retaining System.
  • The Latest TechnologyValve holder tools for all Testestrettas now available.
  • Your Desmoquattro HQFrom 4-Valve Desmoquattros to Traditional 2-Valve L-twins we've got you covered.
  • High Performance ApplicationsWhether you race, track ride, or just want the very best for your Duc.
Ducati Valve Shim Kits1 Ducati Valve Adjustment2 Opener and closer shims and kits3 The Latest Technology4 Your Desmoquattro HQ5 High Performance Applications6

Welcome to EMS Ducati. We are the source for Ducati 2 valve and 4 valve adjustment shim kits, the MBP Valve Retaining System, and valve adjustment tools. We are the world standard in aftermarket Desmodromic shims, tools and expertise. Each and every shim is 100% individually inspected and quality controlled, resulting in higher quality shims than OEM! We also feature purpose built valve adjustment tools so you can now do your own maintenance and save money.

New Product Alert!

Redesigned and Optimized Desmo Valve Shim Kits
We have completely redesigned all shim kits (except the 2V-8mm kit) to better meet the needs of our customers. Based on our years of gathering valve shim use data – each shim kit now includes a range of shims that are most commonly used in a particular Ducati (or range of similar Ducati models). More Info

  • Shipping Status
  • All orders shipping on the same day or the next day.
  • Got Questions? Call Us at (916) 996-7185 or email us