{"product_id":"holley-hp-efi-ecu-harness-kit-ho550-603-suit-gm-ls2-ls3-ls7-58x-crank-sensor","title":"HOLLEY HP EFI ECU \u0026 HARNESS KIT HO550-603 SUIT GM LS2\/LS3\/LS7 58x CRANK SENSOR","description":"\u003cp\u003eLooking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water\/meth? This HP EFI kit can control that too! Stop re–flashing your factory ECU every time you make a performance modification. Get Holley EFI today!\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\u003cdiv\u003eQuantity: Sold individually.\u003c\/div\u003e  \u003cp\u003eNotes: Designed for use with GM LS2\/LS3 and LS7 engines with 58x crank sensor, re-use factory GM ignition coil harnesses.\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":44603272921399,"sku":"HO550-603","price":5256.15,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/87847_abbebb56-5d0f-409b-a874-6931f3ab61c8.jpg?v=1780419216","url":"https:\/\/enginemaster.com.au\/products\/holley-hp-efi-ecu-harness-kit-ho550-603-suit-gm-ls2-ls3-ls7-58x-crank-sensor","provider":"Engine Master","version":"1.0","type":"link"}