Semi Truck EFI Systems
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Save 10%Holley® - ECU and Harness Kit (550-619)$3,148.95$3,499.95Save $351.00 (10%) -
Save 10%Holley® - ECU and Harness Kit (550-619N)$3,418.95$3,799.95Save $381.00 (10%) -
Save 10%Holley® - ECU and Harness Kit (550-617N)$3,193.95$3,549.95Save $356.00 (10%) -
Save 10%Holley® - ECU and Harness Kit (550-616N)$3,193.95$3,549.95Save $356.00 (10%) - Save 10%Holley® - ECU and Harness Kit (550-616)$2,968.95$3,299.95Save $331.00 (10%)
- Save 8%Holley® - EFI Harness Kit (558-501)$871.72$949.95Save $78.23 (8%)
- Save 8%Holley® - EFI Harness Kit (558-505)$1,468.19$1,599.95Save $131.76 (8%)
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- Save 8%Holley® - EFI LS Main Harness MAP Sensor Adapter (558-416)$39.34$42.87Save $3.53 (8%)
- Save 8%Holley® - EFI Main Harness Kit (558-108)$779.95$849.95Save $70.00 (8%)
- Save 8%Holley® - EFI Main Harness Kit for Smart Coils (558-113)$871.72$949.95Save $78.23 (8%)
- Save 10%Holley® - EFI Metripack (570-217)$11.43$12.70Save $1.27 (10%)
- Save 10%Holley® - EFI System Wiring Harness (558-510)$1,708.95$1,899.95Save $191.00 (10%)
- Save 10%Holley® - EFI Ti-VCT Control Module (554-145)$1,303.95$1,449.95Save $146.00 (10%)
- Save 10%Holley® - GT 150 Terminal (570-220)$11.43$12.70Save $1.27 (10%)
- Save 10%Holley® - HP EFI ECU and Harness Kit (550-606)$2,473.95$2,749.95Save $276.00 (10%)
- Save 10%Holley® - HP EFI ECU and Harness Kit (550-606N)$2,698.95$2,999.95Save $301.00 (10%)
- Save 8%Holley® - Molex Terminal (570-227)$11.11$12.10Save $0.99 (8%)
- Save 8%Holley® - SSC IAC Connector (570-238)$12.82$13.98Save $1.16 (8%)
- Save 10%Holley® - Transmission Control Harness (558-471)$279.95$311.95Save $32.00 (10%)
- Save 10%Holley® - Transmission Control Harness (558-455)$268.95$299.95Save $31.00 (10%)
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- Save 10%Holley® - Avenger EFI Fuel Injection System (554-204)$808.95$899.95Save $91.00 (10%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (558-482)$217.95$242.95Save $25.00 (10%)
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- Save 10%Holley® - Avenger EFI Fuel Injection System (558-129)$549.95$611.95Save $62.00 (10%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (558-480)$217.95$242.95Save $25.00 (10%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (554-203)$477.95$531.95Save $54.00 (10%)
