{"product_id":"faria-4-hd-tachometer-4000-rpm-diesel-mech-takeoff-var-ratio-alt-black","title":"Faria 4\" HD Tachometer (4000 RPM) Diesel (Mech Takeoff \u0026 Var Ratio Alt) - Black","description":"\u003cp\u003e\u003cstrong\u003e4\" HD Tachometer (4000 RPM) Diesel (Mech Takeoff \u0026amp; Var Ratio Alt) - Black\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHole Size:\u003c\/strong\u003e 4\" gauge (3.375\" [85mm] mounting hole)\u003c\/p\u003e\u003cp\u003ePerimeter-lighted black dial with bold white graphics, black aluminum SAE style bezel, contoured white pointer and flat glass lens.\u003c\/p\u003e\u003cp\u003eElectronic tachometers work by counting pulses generated by the ingition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12vDC, Ground and one of hte signal sources listed above.\u003c\/p\u003e\u003cp\u003eBy selecting the right tach and setting the switch on the back to the correct postion you let the tachometer know how many pulses are sent per each engine revolution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide range of scales\u003c\/li\u003e\n\u003cli\u003eAvailable for gas or diesel engines\u003c\/li\u003e\n\u003cli\u003eMultiple signal sources\u003c\/li\u003e\n\u003cli\u003eAnti-scratch glass lens\u003c\/li\u003e\n\u003cli\u003ePlastic Cases for corrosion resistance and long life\u003c\/li\u003e\n\u003cli\u003eBlack\u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003e \u003cb\u003eManufacturer : \u003c\/b\u003eFaria Beede Instruments\u003cbr\u003e \u003cb\u003eManufacturer Part No  : \u003c\/b\u003e43003\u003cbr\u003e \u003cb\u003eUPC : \u003c\/b\u003e759266430037","brand":"Faria Beede Instruments","offers":[{"title":"Default Title","offer_id":44666507100480,"sku":"CW72893","price":67.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/4529\/4144\/products\/faria-4-hd-tachometer-4000-rpm-diesel-mech-takeoff-and-var-ratio-alt-black-boat-gear-usa-1.jpg?v=1736626666","url":"https:\/\/boatgearusa.com\/products\/faria-4-hd-tachometer-4000-rpm-diesel-mech-takeoff-var-ratio-alt-black","provider":"Boat Gear USA","version":"1.0","type":"link"}