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LS 1/2 to Ls3 Map Adapter

Wiring Harness Adapter - LS Main Harness To Ls3 Map Sensor - Each
HOLLEY | Part# HLY-558-416 More Details...

$38.58

GM DBW Harness

Efi Wiring Harness - Drive by Wire - Holley Dominator Efi - GM - Each
HOLLEY | Part# HLY-558-406 More Details...

$232.95

Ls2 Main Harness

Efi Wiring Harness - Main Harness - Holley HP / Dominator Efi - 58x Reluctor Wheel - Ls2 / Ls3 / Ls7 - GM LS-SERIES...
HOLLEY | Part# HLY-558-103 More Details...

$607.95

J2b Connector & Harness

Efi Wiring Harness - J2b Auxiliary Connector Harness - Holley Dominator Efi - Universal - Kit
HOLLEY | Part# HLY-558-402 More Details...

$168.25

J2a Connector & Harness

Efi Wiring Harness - J2a Auxiliary Connector Harness - Holley Dominator Efi - Universal - Kit
HOLLEY | Part# HLY-558-401 More Details...

$217.95

Allstar Performance 31131 Water Pump Wiring Harness - Allstar In-Line Elect

Water Pump Wiring Harness - Allstar IN-LINE Electric Water Pumps - Each
ALLSTAR PERFORMANCE | Part# ALL-31131 More Details...

$24.99

Main Power Harness For Avenger, Efi, HP

Efi Wiring Harness - Main Power - Holley Dominator Efi - Each
HOLLEY | Part# HLY-558-308 More Details...

$99.85

Universal Mpfi Main Harness

Efi Wiring Harness - Mpfi Main Harness - Holley HP / Dominator Efi - Universal - Each
HOLLEY | Part# HLY-558-104 More Details...

$513.95

Injector Harness, Ford, Uscar, Evenly SP

Efi Wiring Harness - Ev6 / Uscar Style Injectors - Holley Efi - Small Block Ford - Each
HOLLEY | Part# HLY-558-212 More Details...

$186.95

Univ. Unterminated Inj Harness

Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator Efi - Kit
HOLLEY | Part# HLY-558-204 More Details...

$214.95