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Holley EFI
Holley EFI 558-201 - LSx Injector Harness - For EV6 Style Injectors
PART #: H558-201$189.95 -
Holley EFI
Holley EFI 558-200 - V8 over Manifold, Bosch Style Injector Harness
PART #: H558-200$212.95 -
Holley EFI
Holley EFI 558-126 - Unterminated 15' Flying Lead Main Harness
PART #: H558-126MSRP: $506.95$449.95 -
Holley EFI
Holley EFI 558-121 - Terminator Stealth 2x4 MAIN HARNESS
PART #: H558-121MSRP: $598.95$531.95 -
Holley EFI
Holley EFI 558-118 - Ford MFPI Coil On Plug Main Harness:
PART #: H558-118MSRP: $760.95$675.95 -
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Holley EFI
Holley EFI 558-116 - Gen III HEMI Main Harness , Late, w/TPS and Idle Air Control Connections
PART #: H558-116$849.95 -
Holley EFI
Holley EFI 558-115 - Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections
PART #: H558-115MSRP: $1,012.95$899.95 -
Holley EFI
Holley EFI 558-113 - Ford Modular 2V & 4V Main Harness for use with Holley Smart Coils
PART #: H558-113MSRP: $1,068.95$949.95 -
Holley EFI
Holley EFI 558-112 - TERMINATOR EFI MAIN WIRING HARNESS-TBI,LSX, 58x
PART #: H558-112MSRP: $818.95$727.95 -
Holley EFI
Holley EFI 558-111 - TERMINATOR EFI MAIN WIRING HARNESS-TBI,LSX 24X
PART #: H558-111MSRP: $843.95$749.95 -
Holley EFI
Holley EFI 558-110 - Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)
PART #: H558-110MSRP: $1,012.95$899.95