EFI 58x™ SBC

An EFI 58x SBC conversion will equip your Small-Block Chevy engine with the crank and cam signal components necessary to be controlled by popular GM and aftermarket LS-Series compatible ECUs.

EFI 58x™ LT1/LT4

An EFI 58x LT1 conversion will equip your 1992-1997 LT1/LT4 Chevy engine with the crank and cam signal components necessary to be controlled by popular GM and aftermarket LS-Series compatible ECUs.

EFI 58x™ BBC

An EFI 58x BBC conversion will equip your Big-Block Chevy engine with the crank and cam signal components necessary to be controlled by popular GM and aftermarket LS-Series compatible ECUs.

EFI 58x™ 4.3L V6

An EFI 58x 4.3L V6 conversion will equip your 4.3L V6 Chevy engine with the crank and cam signal components necessary to be controlled by popular aftermarket LS-Series compatible ECUs.

GM controller support is limited for V6 applications.