For 20 years, EFI Source has supplied high-quality, American-made EFI products to the performance-minded automotive community. Our mission is to make programmable EFI systems affordable without compromising quality or functionality.
Featured Products
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MS3 Gold Lite with 8ft Harness
Regular price From $680.00 USDRegular price -
MicroSquirt® ECU with 8ft Harness
Regular price $385.00 USDRegular price -
MS3 Gold Lite for G3 Hemi Plug and Play System
Regular price From $1,080.00 USDRegular price -
MicroSquirt® for 1986-93 Ford 5.0 Mustang
Regular price $495.00 USDRegular price
