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.

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LMS-EFI specializes in top quality engine management products and services. We offer Haltech, Syvecs, and ECUMaster engine management and data acquisition solutions.  The core of our work is constructing bespoke wiring harness assemblies for those systems to ease installation and ensure proper function for the end user.  Services included installation, setup, and customer support of these fine products. 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, reliably.