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EFI Systems
Semi Truck
Performance EFI System Wiring Harnesses
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Performance
High-performance upgrades for maximum power
Replacement
OEM-quality replacement components
Holley® - Avenger EFI Fuel Injection System (558-482)
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# mpn5242087429
$242.95
Holley® - Avenger EFI Fuel Injection System (558-480)
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# mpn5242087330
$242.95
Holley® - Dominator™ EFI Drive-By-Wire Dual Throttle Body Harness (558-450)
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# mpn5180247722
$399.95
Holley® - Dominator™ EFI Ford 4R70W/4R75W Transmission Control Harness (558-470)
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# mpn5233443873
$285.95
Holley® - Drive-By-Wire Harness (558-422)
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# mpn5180247661
$299.95
Holley® - ECU and Harness Kit (550-619)
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# mpn5233444048
$3,499.95
Holley® - ECU and Harness Kit (550-619N)
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# mpn5233444014
$3,799.95
Holley® - ECU and Harness Kit (550-617N)
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# mpn5233443645
$3,549.95
Holley® - ECU and Harness Kit (550-616N)
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# mpn5180247660
$3,549.95
Holley® - ECU and Harness Kit (550-616)
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# mpn5180247654
$3,299.95
Holley® - EFI Harness Kit (558-501)
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# mpn5233443717
$949.95
Holley® - EFI Harness Kit (558-505)
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# mpn5233443629
$1,599.95
Holley® - EFI Injector Harness Kit (558-508)
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# mpn5180247652
$552.95
Holley® - EFI LS Main Harness MAP Sensor Adapter (558-416)
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# mpn5233443975
$42.87
Holley® - EFI Main Harness Kit (558-108)
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# mpn5233443666
$849.95
Holley® - EFI Main Harness Kit for Smart Coils (558-113)
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# mpn5180247657
$949.95
Holley® - EFI System Wiring Harness (558-510)
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# mpn5233444064
$1,899.95
Holley® - HP EFI ECU and Harness Kit (550-606)
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# mpn5233443678
$2,749.95
Holley® - HP EFI ECU and Harness Kit (550-606N)
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# mpn5233443668
$2,999.95
Holley® - Transmission Control Harness (558-471)
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# mpn5233444027
$311.95
Holley® - Transmission Control Harness (558-455)
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# mpn5180247744
$299.95
Painless Performance® - Gen III Mechanical TB Extended Length Harness (20205)
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# mpn4648986006
$679.99
Painless Performance® - Gen III Mechanical TB Standard Length Harness (60217)
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# mpn359117960
$635.99
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