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Holley EFI 558-406

Holley EFI GM Drive-By-Wire Harness; For Dominator and Terminator X Max

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Holley EFI 558-407

Dominator EFI Multi Map Selector; Select up to (4) different tunes

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Holley EFI 558-409

Sealed USB Data Cable; Holley EFI Sealed USB Cable 7'

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Holley EFI 558-411

Dominator EFI GM Dual Drive-By-Wire Harness

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Holley EFI 570-102

MPFI/TPI Main Harness Connector Kit; OEM Quality Connectors

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Holley EFI 558-414

Terminator Main Harness; For Terminator EFI

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Holley EFI 570-103

LSX Main Harness Connector Kit; OEM Quality Connectors

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Holley EFI 558-416

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter; Adapter Harness

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Holley EFI 558-417

Gen III HEMI Drive-By-Wire Harness - Early Pedal; Gen III HEMI Drive-By-Wire Harness - Early Harness with the larger TYCO/AMP connector ('03-'07 cars, '03-'06 trucks) Dominator Only. Only the 0459 1847 factory DBW throttle body has been calibrated and approved for use with this harness.

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Holley EFI 558-468

Holley EFI Terminator X DBW Harness - GM Gen V LTX; For LTx Throttle Bodies and Terminator X and X Max ECUs

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Holley EFI 558-321

LS COIL HARNESSES; Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.

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Holley EFI 558-418

Gen III HEMI Drive-By-Wire Harness - Late pedal with the compact Molex connector ('08-2012 Up cars, '07- 2012 Trucks) Only the 0459 1847 factory drive-by-wire throttle body has been pre-calibrated and approved for use with these harnesses.

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