Rywire - Mil-Spec F-Series (F20b) & H-Series (H22) harness Our H (H22/H23) or F (F20B/Accord) Series Mil-spec tucked engine wire harness is cross-compatible with both engine types. The distributor connections are setup for internal coil distributors only. CAN NOT USE EXTERNAL COIL. This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200°C . The Teflon coated wire is loomed with The highest quality Raychem DR-25 heat shrinkPrice: 650 Wiring Harness Conversions for Honda & Acura Engine Swaps Note: Standard harness does not include VTEC wiring so if you are going to be wiring in VTEC your self or not using a VTEC motor select standard harness conversion. If you are running a VTEC engine & would like for us to add a VTEC sub-harness for you that can be done at an additional cost by selecting swap type below.