The products available on this site are intended for off highway use in sanctioned racing events only. Customer is responsible for observation of all federal, state, and local laws and statutes regarding legality of use. LMS-EFI LLC does not condone use of these products in a manner which does not comply with these laws.

About us

LMS-EFI specializes in top quality engine management products and services. We offer Haltech engine management, ECUMaster and Racepak digital displays and data loggers, as well as professional grade custom wiring harnesses. Services included installation, setup, and customer support of these fine products.

We bring championship winning experience from SCCA, IJSBA, USAC, and other racing venues. We're not only here to design the reliable system that meets your needs and budget, but to offer superior customer support after the sale to ensure that you're able to extract maximum performance from your vehicle. We're not just electronics. We also offer engine building and race support services for the Mazda rotary engine.

Ludwig Motorsports has won and supported several rotary engined championship winning efforts in autocross, SCCA road racing, and drag racing. We can provide the rotary engine you need...from fast paced to full race.

We focus heavily on:

  • Custom Wiring Harnesses
  • Haltech, ECUMaster, Syvecs ECU products
  • RX-7/Rotary and Most Mazda Applications
  • Mitsubishi Turbo Applications
  • 2JZ/1JZ and Most Toyota Applications
  • GTR and Most Nissan Applications
  • K series and Most Honda Applications
  • Subaru Applications
  • GM LS Applications
  • Ford Mustang and Coyote Applications

Contact us for your specific needs.