EFI Systems & Accessories
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Holley EFI LS (58X/4X) Engine Main Harness Extended for HP EFI/Dominator EFI 558-134
HOLLEY
$672.95Holley EFI LS (58X/4X) Engine Main Harness Extended for HP EFI/Dominator EFI 558-134 LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI These harnesses are designed to fit most 24x and 58x LS engines, from 1997-2012. They are a...558-134$672.95 -
Holley EFI LS (58X/4X) Engine Main Harness for HP EFI/Dominator EFI 558-103
HOLLEY
$632.95Holley EFI LS (58X/4X) Engine Main Harness for HP EFI/Dominator EFI 558-103 LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly...558-103$632.95 -
Holley EFI LSX Injector Harness for EV6 Injectors HP EFI/Dominator/Terminator X 558-201
HOLLEY
$178.95Holley EFI LSX Injector Harness for EV6 Injectors HP EFI/Dominator/Terminator X 558-201 LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.558-201$178.95