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571-112 Holley EFI MOLEX MX150 MALE PINS 20-16GA 100PK
$20.52Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley... -
571-115 Holley EFI MIZU P25 MALE PINS 100PK
$20.52Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley... -
570-103 Holley EFI LSX Main Harness Connector Kit
$145.95Introducing EFI Engine Connector Kits – From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you with every engine connector used on the Holley EFI main harnesses. If you are building a custom engine... -
558-470 Holley EFI Ford 4R70W/4R75W Transmission Control Harness
$247.95Ford 4R70W/4R75W Transmission Harness - Complete terminated harness with j4 connector to operate 1998+ Ford electronic transmissions, for Dominator EFI ONLY! -
558-308 Holley EFI Main Power Harness
$90.75This Harness is required with HP or Dominator ECUs. Includes, 13' long, 10 AWG main power harness, Qty. (2) 3/8" ring terminals and shrink tube (not pictured) . The harness is fuse protected and covered in braided split loom for additional abrasion... -
558-500 Holley EFI GM LS 24X EFI HARNESS KIT
$907.95An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit for your GM LS engine comes complete with the main harness, power... -
573-107 Holley EFI F6 Split Wire Loom - 1/2 Inch
$96.75Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered... -
570-229 Holley EFI 4 Pin CAN Connector – Harness Side
$13.93Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered... -
571-104 Holley EFI METRIPACK 150 FEMALE PINS 22-20GA 100PK
$22.55Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley... -
571-126 Holley EFI SSC FEMALE PINS 22-18GA 100PK
$19.43Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley... -
570-231 Holley EFI Coyote and Modular Ford Throttle Position Sensor Connector
$19.31Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered... -
567-100 Holley EFI Holley EFI ECU Pin Crimper
$605.95The best crimping tool available for making custom wiring harnesses. Constructed with a heavy duty hardened steel frame with molded non-slip hand grips. An adjustable ratchet mechanism produces consistent factory style high quality crimps. Bringing...
