{"product_id":"holley-efi-558-312-hp-smart-coil-ignition-harness","title":"Holley EFI 558-312 - HP Smart Coil Ignition Harness","description":"\u003cp\u003eHolley EFI 558-312 - HP Smart Coil Ignition Harness\u003c\/p\u003e\u003cp\u003eHP Smart Coil Ignition Harness; For Use w\/HP Or Dominator ECU; Incl. Pair Of Coil Harnesses For An 8 Cyl. Engine;\u003c\/p\u003e\u003cp\u003eHP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. These harnesses are similar in design to factory GM LSx coil harnesses, but plug into Holley HP Smart Coils. They plug into Holley LSx plug and play main harnesses if one wants to replace factory LSx coils with Holley HP Smart Coils. If using a non-LSx main harness, purchase PN 558-307 for connectors, wiring, terminals to connect directly to a Holley HP or Dominator ECU\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a pair of coil harnesses for an 8 cylinder engine\u003c\/li\u003e\n\u003cli\u003eSimilar to factory GM LSx coil harnesses\u003c\/li\u003e\n\u003cli\u003eFor use with Holley HP or Dominator ECUs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley EFI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eIgnition\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Application\u003c\/strong\u003e: \u003cspan\u003eUniversal\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Type\u003c\/strong\u003e: \u003cspan\u003eIgnition\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eIgnition Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eDistrutorless Ignition - DIS - smart coil\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eIgnition Wire and Related Components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47327504269450,"sku":"HOLEFI-558-312","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_large558-312_normalized.jpg?v=1784694853","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-558-312-hp-smart-coil-ignition-harness","provider":"Only In Stock","version":"1.0","type":"link"}