Description Description EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each View AllClose
Add to Cart Quick view Holley Connector & Pin Kit J2A/J2B/J3/J4 558-408 Holley MSRP: $223.64 Now: $203.31 Was: Connector and Pin Kit - J2A / J2B / J3 / J4 Plugs - Holley Dominator EFI - Kit
Add to Cart Quick view Holley J3 Connector & Harness 558-403 Holley MSRP: $176.87 Now: $160.79 Was: Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each
Add to Cart Quick view Holley Auxiliary Harness J2A Connector 558-401 Holley MSRP: $246.11 Now: $223.74 Was: EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
Add to Cart Quick view Holley Wiring Harness - Can Splitter 558-465 Holley MSRP: $59.33 Now: $53.94 Was: Data Transfer Cable - Holley EFI CAN Splitter - Each
Add to Cart Quick view Holley Main Harness - Universal Mpfi 558-104 Holley MSRP: $551.79 Now: $501.62 Was: EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each