{"product_id":"holley-wiring-harness-distributor-multi-port-558-304-558-304-2","title":"Holley Wiring Harness, Distributor, Multi-Port 558-304","description":"\u003ch2\u003eHolley Wiring Harness, Distributor, Multi-Port\u003c\/h2\u003e\n\u003cp\u003eHolley GM distributor wiring harness adapters are designed to connect the distributor to the Holley ECU. They fit all digital interactive Holley Pro-Jection and Commander 950 fuel injection systems. The harness adapters will allow the use of the ignition control feature that is part of the Holley ECU.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Holley Pro-Jection and Commander 950 systems.\u003c\/li\u003e\n\u003cli\u003eFacilitates ignition control through the Holley ECU.\u003c\/li\u003e\n\u003cli\u003eDurable construction for reliable performance.\u003c\/li\u003e\n\u003cli\u003eEasy installation for both DIY enthusiasts and professionals.\u003c\/li\u003e\n\u003cli\u003eEnsures optimal engine performance and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel number: 558-304\u003c\/li\u003e\n\u003cli\u003eType: Distributor wiring harness adapter\u003c\/li\u003e\n\u003cli\u003eCompatibility: Holley digital interactive systems\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality wiring and connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \/ fitment\u003c\/h3\u003e\n\u003cp\u003eThis wiring harness is typically used in high-performance automotive applications to enhance engine control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePassenger vehicles with Holley fuel injection systems.\u003c\/li\u003e\n\u003cli\u003ePerformance upgrades for classic cars.\u003c\/li\u003e\n\u003cli\u003eCustom builds requiring reliable ignition control.\u003c\/li\u003e\n\u003cli\u003eIdeal for automotive enthusiasts and professional mechanics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy buy from Mick’s Gone Bush?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted Australian business focused on reliable power, auto-electrical, and service parts.\u003c\/li\u003e\n\u003cli\u003eStock sourced from reputable distributors and brands.\u003c\/li\u003e\n\u003cli\u003ePractical support for trade, off-grid, and fleet customers.\u003c\/li\u003e\n\u003cli\u003eClear shipping, warranty, and customer service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eIs this wiring harness easy to install?\u003c\/h4\u003e\n\u003cp\u003eYes, the Holley wiring harness is designed for easy installation, making it suitable for both DIY enthusiasts and professionals.\u003c\/p\u003e\n\u003ch4\u003eWhat systems is this harness compatible with?\u003c\/h4\u003e\n\u003cp\u003eThis harness is compatible with all digital interactive Holley Pro-Jection and Commander 950 fuel injection systems.\u003c\/p\u003e\n\u003ch4\u003eCan I use this harness for custom builds?\u003c\/h4\u003e\n\u003cp\u003eAbsolutely! This wiring harness is ideal for custom builds that require reliable ignition control.\u003c\/p\u003e\n\u003ch4\u003eWhat materials are used in the harness?\u003c\/h4\u003e\n\u003cp\u003eThe harness is made from high-quality wiring and connectors to ensure durability and reliability.\u003c\/p\u003e\n\u003ch4\u003eWill this harness improve engine performance?\u003c\/h4\u003e\n\u003cp\u003eYes, using this wiring harness can help optimise engine performance and efficiency when paired with compatible Holley systems.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this wiring harness easy to install?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the Holley wiring harness is designed for easy installation, making it suitable for both DIY enthusiasts and professionals.\"}},{\"@type\":\"Question\",\"name\":\"What systems is this harness compatible with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This harness is compatible with all digital interactive Holley Pro-Jection and Commander 950 fuel injection systems.\"}},{\"@type\":\"Question\",\"name\":\"Can I use this harness for custom builds?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Absolutely! This wiring harness is ideal for custom builds that require reliable ignition control.\"}},{\"@type\":\"Question\",\"name\":\"What materials are used in the harness?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness is made from high-quality wiring and connectors to ensure durability and reliability.\"}},{\"@type\":\"Question\",\"name\":\"Will this harness improve engine performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, using this wiring harness can help optimise engine performance and efficiency when paired with compatible Holley systems.\"}}]} \u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":53204616708256,"sku":"558-304","price":159.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/5058\/0875\/files\/558-304__01.jpg?v=1769434193","url":"https:\/\/www.micksgonebush.com.au\/products\/holley-wiring-harness-distributor-multi-port-558-304-558-304-2","provider":"Micks Gone Bush","version":"1.0","type":"link"}