JBR 3-Port EBCS MS3 Gen1/MS6


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By request of the Mazdaspeed Community, JBR has put together an affordable *3-Port Electronic Boost Controller that utilizes the trusted MAC 35 series valve. No longer do you need to waste your time sourcing the valve, the fittings, the vacuum hose and the hardware separately to make up your own kit. We've done all the work for you and it's all right here in one complete kit at a very reasonable price.
The MAC 35 series is a direct solenoid operated 3-way poppet valve. It features a short stroke solenoid, a balanced poppet and powerful return spring. These features translate into high shifting forces, fast consistent response times, and long life. This valve provides extremely fast response and very high high flow all in a surprisingly small package.
We've made the installation as simple as possible too. It can easily be mounted in the OEM location and plugs directly in to the OEM wiring harness. With the 18" leads, it can be mounted most anywhere with the included mounting bracket, 36" of vacuum hose and mounting hardware.
  • Designed and Manufactured in the USA
  • Nickel plated vacuum fittings
  • Complete kit ready to install
  • OEM mounting location


  • 1 EBCS
  • 3 1/8" NPT 90 degree vacuum fittings
  • 1 1/8" NPT Plug
  • 5 Zip ties
  • 36" of vacuum hose
  • 2 Vacuum caps
  • 1 Vacuum T Connector
  • Mounting bracket
  • Mounting hardware
  • Carries MAC manufacturers warranty

**If order needs to be shipped outside of the USA, additional shipping charges will be calculated and added after the purchase.


Any further questions - please feel free to Contact Us





  • Shipping Weight: 0.5kgs
  • 5 Units in Stock

This product was added to our catalog on Monday 18 January, 2016.