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Holley EFI

Pre-Terminated J1A / J1B 15' Flying Lead Main Harness

: In stock

: Engine Wiring Harness

: Holley EFI

: 558-126

$435.95 $479.95

The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.
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The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.

Your order of 100$ or more gets free standard delivery.

  • Standard delivered 4-5 Business Days
  • Express delivered 2-4 Business Days

Orders are processed and delivered Monday-Friday (excluding public holidays)


eMarket members enjoy free returns.

Pre-Terminated J1A / J1B 15' Flying Lead Main Harness

$435.95 $479.95