{"product_id":"hp-efi-sub-harnesses-smart-coil","title":"HP EFI Sub-Harnesses - Smart Coil","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 558-312\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\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\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\u003cp\u003eFor use with Holley (R) HP and Dominator ECUs and other EFI systems\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":52258573484344,"sku":"H00E 558-312","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-519493-3293304-square.webp?v=1778125664","url":"https:\/\/store.motormia.co\/products\/hp-efi-sub-harnesses-smart-coil","provider":"MOTORMIA","version":"1.0","type":"link"}