{"product_id":"restotach-main-hub","title":"RestoTach Main Hub","description":"\u003cp dir=\"ltr\"\u003eThe Main Hub is the brain of the system. It takes in every signal your vehicle produces, whether that is sending units wired straight to the hub or live data off the OBD-II port, and feeds up to seven displays over a single bus.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eOne hub runs the whole dash. Buy it once, and change what it reads whenever the build changes.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat's included\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eRestoTach Main Hub.\u003c\/li\u003e\n\u003cli\u003eYour choice of harness at checkout: the direct sensor harness or the OBD-II harness.\u003c\/li\u003e\n\u003cli\u003eGPS antenna that plugs into the hub's GPS port.\u003c\/li\u003e\n\u003cli\u003eMounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eDisplays are sold separately. Choose the harness that matches how you want to read your engine.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eChoose your harness\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDirect sensor harness.\u003c\/strong\u003e Covers temperature, pressure, and fuel level sensor leads, turn signal inputs, and the RPM lead for coil-negative or ECU tach output. For carbureted builds, engine swaps, and anything without a usable diagnostic port.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eOBD-II harness.\u003c\/strong\u003e Covers display communication and power and turn signal inputs, and pairs with an OBDLink MX+ adapter to pull live ECU data. For 1996-and-newer vehicles with a working OBD-II port.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eEither way, the hub is identical. Add the other harness later and the same hub reads that source too, or runs both side by side.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat the hub does\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery sensor input in one place.\u003c\/strong\u003e Direct sending units, OBD-II parameters, GPS position, and tach signal all land here, then get distributed to the displays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to seven displays.\u003c\/strong\u003e Any mix of 2 1\/16\", 2 5\/8\", and 3 3\/8\" pods on one bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS speed.\u003c\/strong\u003e Vehicle speed derives from the included GPS antenna. No VSS, no speedometer cable, no drive gear to match. Nothing to calibrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTach from either source.\u003c\/strong\u003e Coil negative on a points or HEI setup, or your ECU's tach output. The hub takes both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics with an OBD-II setup.\u003c\/strong\u003e Read stored and pending trouble codes, get notified when a code sets, check emissions readiness monitors, and clear codes when the repair is done.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi to the app.\u003c\/strong\u003e Configure every display, switch themes, and manage parameters from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdates over the air.\u003c\/strong\u003e New features and themes download through the companion app to the hub and every display connected to it.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot intended for street use.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eSpecifications\u003c\/h4\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003e\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWi-Fi to companion app (iOS\/Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData sources\u003c\/td\u003e\n\u003ctd\u003eDirect sensor and OBD-II, harness dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed source\u003c\/td\u003e\n\u003ctd\u003eGPS antenna (included) or ECU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTach source\u003c\/td\u003e\n\u003ctd\u003eCoil negative or ECU tach output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax displays\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V automotive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e30 days from date of shipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"RestoTach","offers":[{"title":"Default Title","offer_id":48046897561731,"sku":null,"price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/1855\/3219\/files\/ChatGPTImageAug31_2026_01_31_10PM_8_a6ed3524-a842-4146-a4ce-bd3088a66768.png?v=1788214565","url":"https:\/\/restotach.com\/products\/restotach-main-hub","provider":"RestoTach","version":"1.0","type":"link"}