Check the listing for details. Extension Harness for Holley 26 Pin J2B P2B - Various Length. Condition: New. Listed at 99.50 USD. EBAY STORE HOME BUSINESS HOURS MON-FRI 9AM-4PM EST CONNECTOR KITS CONNECTOR PIGTAILS AUTOMOTIVE WIRE AUTOMOTIVE COMPUTERS ADAPTER HARNESSES Extension Harness for Holley 26 Pin J2B P2B - Various Length This extension harness is a plug and play solution that extends the Holley Dominator ECU 26 pin J2B (P2B) connection. J2B, also referred to as P2B, is the 26 pin ECU connector exclusive to Holley Dominator ECUs that expands the available configurable Inputs/Outputs or I/Os. AUTOMOTIVE WIRING PRODUCTS Extension Harnesses meet or exceed the quality of Original Equipment (OE) harnesses:Assembled w/ the same materials found on production engine harnesses.Terminals are crimped w/ production applicators and/or Rennsteig hand tools to exceed pull test requirements.Wires are protected w/ high temperature fiberglass sleeving.Assembled in the USA CONNECTOR KITS CONNECTOR PIGTAILS AUTOMOTIVE WIRE AUTOMOTIVE COMPUTERS ADAPTER HARNESSES