{"product_id":"holley-558-104-main-harness-for-mpfi-efi-systems-universal-fit","title":"Holley 558-104 Main Harness for MPFI EFI Systems, Universal Fit","description":"Main Harness - Universal MPFI\n\u003cp\u003eThe Holley 558-104 Main Harness is designed for universal use with Multi-Point Fuel Injection (MPFI) EFI systems, including the Holley HP and Dominator series. This wiring harness provides a reliable connection for engine management, ensuring optimal performance and easy installation. Made from high-quality materials, it offers durability and resistance to heat and vibration, making it suitable for a wide range of automotive applications. The harness features multiple connection points to accommodate various sensors and actuators, simplifying complex wiring setups for performance vehicles and custom builds. Its universal fit ensures compatibility across different engine configurations, providing flexibility for custom EFI installations. Whether upgrading an existing system or building a custom setup, this harness is an essential component for achieving precise fuel management and engine control.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUniversal compatibility with Holley HP and Dominator EFI systems\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Multi-Point Fuel Injection (MPFI) applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable construction with heat and vibration resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMultiple connection points for sensors and actuators\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSimplifies complex wiring for custom EFI setups\u003c\/li\u003e\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":44675922853954,"sku":"HLY558-104","price":571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4327\/4306\/files\/HLY558-104.jpg?v=1785947792","url":"https:\/\/ltactradingco.com\/products\/holley-558-104-main-harness-for-mpfi-efi-systems-universal-fit","provider":"LTAC Trading Co.","version":"1.0","type":"link"}