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HOL-550-601N PART NUMBER
HOLLEY 550-601N HP EFI ECU & HARNESS KITS$2,999.95
HP EFI ECU & HARNESS KITS
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GM TPI and Holley Stealth Ram™, Includes NTK Oxygen Sensor -
HOL-558-416 PART NUMBER
HOLLEY 558-416 HOLLEY EFI LS MAIN HARNESS TO LS3-STYLE MAP SENSOR ADAPTER$42.95
HOLLEY EFI LS MAIN HARNESS TO LS3-STYLE MAP SENSOR ADAPTER
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Adapter Harness -
HOL-558-465 PART NUMBER
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HOL-558-212 PART NUMBER
HOLLEY 558-212 FORD V8 INJECTOR HARNESS$207.95
FORD V8 INJECTOR HARNESS
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Evenly spaced Ford V8 Injector Harness for USCAR / EV6 style Injectors -
HOL-558-326 PART NUMBER
HOLLEY 558-326 FORD V8 INJECTOR HARNESS$134.95
LS COIL EXTENSION HARNESSES
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Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils. -
HOL-558-128 PART NUMBER
HOLLEY 558-128 5.0L FORD ENGINE MAIN HARNESS$584.95
5.0L FORD ENGINE MAIN HARNESS
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Plug and Play with fuel injected 5.0L Small Block Ford Engines -
HOL-558-126 PART NUMBER
HOLLEY 558-126 UNTERMINATED 15' FLYING LEAD MAIN HARNESS$429.95
UNTERMINATED 15' FLYING LEAD MAIN HARNESS
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Pre-Terminated J1A / J1B 15' Flying Lead Main Harness -
HOL-558-430 PART NUMBER
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HOL-558-214 PART NUMBER
HOLLEY 558-214 INJECTOR HARNESS - EARLY TRUCK$291.95
INJECTOR HARNESS - EARLY TRUCK
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LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK -
HOL-558-501 PART NUMBER
HOLLEY 558-501 GM 58X EFI HARNESS KIT$949.95
GM 58X EFI HARNESS KIT
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GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector
