{"product_id":"holley-558-404-dominator-efi-j4-auxiliary-wiring-harness","title":"Holley 558-404 Dominator EFI J4 Auxiliary Wiring Harness","description":"J4 Connector \u0026amp; Harness\n\u003cp\u003eThe Holley 558-404 J4 Connector and Harness is an auxiliary wiring harness designed for Holley Dominator EFI systems. It provides a dedicated J4 connection for supported wiring needs within the EFI installation.\u003c\/p\u003e\n\u003cp\u003eThis harness is supplied as an individual unit and is identified by Holley part number 558-404. Its application is specifically associated with the Holley Dominator EFI platform, making it a focused replacement or wiring component for installations requiring the J4 auxiliary harness.\u003c\/p\u003e\n\u003cp\u003eUse the product information and your EFI system documentation to confirm that this J4 harness is appropriate for your application before installation. The harness is listed as not air restricted and not truck freight only.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Holley\u003c\/li\u003e\n\u003cli\u003ePart Number: 558-404\u003c\/li\u003e\n\u003cli\u003eProduct Type: EFI wiring harness\u003c\/li\u003e\n\u003cli\u003eConnection: J4 auxiliary connector and harness\u003c\/li\u003e\n\u003cli\u003eApplication: Holley Dominator EFI\u003c\/li\u003e\n\u003cli\u003eQuantity: Each\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":68027323711740,"sku":"HLY558-404","price":238.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/HLY558-404.jpg?v=1793200676","url":"https:\/\/ozkonickustomz.com\/products\/holley-558-404-dominator-efi-j4-auxiliary-wiring-harness","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}