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Holley - Engine Control Module Wiring Harness

6 Products Results per Page:
Holley 534-140
Communication Cable
  • Commander 950 ECU to Laptop Computer
  • Wiring Components
    Item# 510-534-140
    Only $77.29
    More Info
    Holley 558-420
    Terminator EFI In/Out Kit
  • 4 Extra Input Wires
  • 1 Extra Output Wire
  • Terminator EFI In/Out Kit
    Item# 510-558-420
    Order Today
    Ships 06/27/16
    Only $25.57
    More Info
    Holley 534-143
    Commander 950 Main Wiring Harness
  • For #510-950-115 (Custom Applications)
  • Wiring Components
    Item# 510-534-143

    Only $273.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 558-414
  • Terminator EFI Wiring Harness
  • Replacement Harness For Use w/PN[550-405/550-406]
  • Item# 510-558-414
    Order Today
    Ships 06/27/16
    Only $263.95
    FREE
    SHIPPING
    & HANDLING!
    More Info

    Holley 534-147
    Commander 950 Main Wiring Harness
  • For #510-950-102 (GM LS1)
  • Wiring Components
    Item# 510-534-147
    Order Today
    Ships 06/27/16
    Only $249.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 534-128
    Commander 950 Main Wiring Harnesss
  • For Holley #950-101 (Discontinued)
  • Wiring Components
    Item# 510-534-128
    Order Today
    Ships 06/27/16
    Only $437.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
     
    6 Products Results per Page: