{"product_id":"holley-efi-transmission-harness-t-56-558-481","title":"Holley EFI Transmission Harness - T-56 - 558-481","description":"F-Body T-56 Transmission Harness - Terminated for VSS - Reverse Lockout and Reverse Lights\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Terminator X Max ECUs on V3 Build 100 or later - Holley EFI V6 Build 300 or later\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Quantity:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarness Application:\u003c\/strong\u003e GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarness Type:\u003c\/strong\u003e Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Manual Transmission Wiring Harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Transmission Harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cp\u003eRequires: Terminator X Max ECU with V3 Build 100, or Holley EFI Dominator ECU on Holley EFI V6 Build 300, or later.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":49715506872558,"sku":"HLY-558-481","price":242.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/7f92a4fb36cda0b14e7fc1470dc51828c4d65146.jpg?v=1791572090","url":"https:\/\/elmosspeedshop.com\/products\/holley-efi-transmission-harness-t-56-558-481","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}