{"product_id":"msd-8737-three-step-module-selector","title":"MSD 8737 Three Step Module Selector","description":"\u003cp\u003eGenuine MSD part.\u003c\/p\u003e\u003cp\u003eAs an example, we'll use a drag car with a Three Step Module Selec­tor plugged into the rpm socket of a 7AL-2 Ignition. The different rpm modules are activated when 12 volts are applied to a corresponding wire. By connecting one wire to the line-lock circuit, one module will be activated during the burnout. This helps keep tire temperatures consistent. When the line-lock button is released, the limit turns off. When you're on the starting line, you can activate the second limit through the clutch or trans switch. This provides a steady and consis­tent rpm for firm holeshots every time. When no\u003c\/p\u003e\u003cp\u003eMSD rev limiter and RPM control module, part number 8737, supplied new.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLaunch rev limiter\u003c\/li\u003e\n\u003cli\u003eBurnout rev limiter\u003c\/li\u003e\n\u003cli\u003eSet 3 RPM limits:\u003c\/li\u003e\n\u003cli\u003eTop End rev Limiter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUniversal application — check the specification below\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"pst-note\"\u003e\u003cem\u003eThis is a universal component sold by specification rather than by vehicle, so there is no year\/make\/model list for this product. Match the part number and the specification below against your own engine before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: MSD\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 8737\u003c\/li\u003e\n\u003cli\u003eItem Type: Electrical\u003c\/li\u003e\n\u003cli\u003eProduct Type: Module Selector\u003c\/li\u003e\n\u003cli\u003eSub Category: Fuel Injection System and Related Components\u003c\/li\u003e\n\u003cli\u003eCountry of Manufacture: United States\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eShipping Weight: 0.4 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"pst-note\"\u003eImages are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.\u003c\/p\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":43320847302750,"sku":"PST-msd8737","price":191.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0433\/9049\/files\/6a6dd53ad8f866b8e5f0abf4376563e4db670f30.jpg?v=1789266806","url":"https:\/\/pitstoptuning.com\/products\/msd-8737-three-step-module-selector","provider":"PitStopTuning","version":"1.0","type":"link"}