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 $544.00 USDRegular price$680.00 USDSale price From $544.00 USDSale -
MicroSquirt® ECU with 8ft Harness
Regular price $346.50 USDRegular price$385.00 USDSale price $346.50 USDSale -
MS3 Gold Lite for G3 Hemi Plug and Play System
Regular price From $864.00 USDRegular price$1,080.00 USDSale price From $864.00 USDSale -
MicroSquirt® for 1986-93 Ford 5.0 Mustang
Regular price $445.50 USDRegular price$495.00 USDSale price $445.50 USDSale
