Our Coil Pack Controller board fits into the stock OBD1 Honda ECU. The board fits where the knock board is on some ECUs. It comes with all necessary wiring, and includes a pass-through header if you want to use the OEM knock board.We are currently working on building wiring harnesses. Currently, this is a DIY kit, you must build a harness yourself using the provided pins. The kit includes all components needed, including the JST connectors to build the coil pack harness, and the pin header to solder into your ECU. We include extra JST pins in case you break any. Works on stock and chipped/Hondata ECUs. Allows for better spark, bigger plug gaps, and no more moving parts for improved reliability. Near-stock cranking time unlike some other COP kits. Compatible with most smart coils - K20/24, D17, J32/35/37, GM LSx, AEM, and many others. Can also be used to drive a CDI controller. The item "Apollo Tuning Coil Pack Controller Retrofit B/D/H/S Series Honda DIY KIT" is in sale since Tuesday, May 11, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Ignition Systems\Coils, Modules & Pick-Ups". The seller is "xmenendez" and is located in Chester, New Jersey. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.