MSD Ignition 8739 RPM Controls Two Step Module Selector
MSD Ignition 8739 RPM Controls Two Step Module Selector. RPM Controls Two Step Module Selector. RPM Controls Two Step Module Selector; Allows You To Choose Two Different RPM Limits That Can Be Activated At Different Times. Allows a launch rev limiter and a high speed rev limiter. The MSD module selectors allow you to choose two or three different rpm limits that can be activated at different times. With this ability, the possibilities are endless. As 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 hole shots every time. When no modules are selected, the remaining high limit is active to protect the engine in the event of driveline failure. The two step works the same, but only with two different limits. The module selectors can also be used with an MSD timing control. By plugging the selector into a retard module socket, you can activate different retard amounts at select times. This is a great feature for engines being upgraded to a multi-stage nitrous system. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent components and technology that deliver performance and reliability with products that are easy to use and install. Over the course of 40-plus years, MSD Performance has been driving the development of innovative components that helped shape the way our cars race and perform. From super speedways to road courses, land speed racing to top fuel dragsters, and of course your traditional hot rod, MSD has provided the components to fire nearly anything in motorsports. Early on, MSD focused squarely on ignition systems with revolutionary products like the multiple sparking CD ignition, timing and rev controls, billet aluminum distributors and the Pro-Mag, an incredible breakthrough in power and endurance. Today MSD is developing electronics for your entire powertrain. The Atomic EFI systems for the LS engine platform and throttle body are now complemented with a transmission controller. Our DynaForce Starters and Alternators ensure that your engine cranks over to fire up and the Alternators keep it charged. MSD is poised to deliver components that work and communicate together to provide performance and value. We carry performance and replacement parts, along with every consumer item youll ever need. Our goal is to exceed your expectations. And weve built a system to do just that. And we guarantee it. Our company combines hard-core drag racers and auto enthusiasts with tech-savvy engineers and developers all car lovers to create a webstore that gives you an unmatched shopping experience and we deliver it fast. Unlike traditional brick-and-mortar retail outlets, our inventory isnt limited to what we can pack into a storefront or what a counter clerk may be able to find. A better shopping experience, for every product for every car, whenever you order. All orders are immediately sent to our distribution centers which may impact your ability to cancel the order once it’s placed. Many parts are stocked in more than one warehouse location. PartsHawk stands behind every item we sell. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied. Large Parcel Items : For large items bumpers, side steps, bed covers, etc. All accessories & hardware. Any documents and instructions. Placing an order outside the US is easy! At times there is a delay in the carriers tracking for updates. Please allow up to 24 hours for your tracking to update. If you still do not see any movement, please contact our Customer Service Department and we will be happy to assist. Please feel free to reach out to us and we will provide additional details. Do I have to be there to sign for my package? There is no additional cost to you for this service. Leave by back door, leave with neighbor, place in the planter on the left of my garage, etc. We recommend leaving a note for the carrier on the door nearest to the street as we do not have a way to communicate those requests for you. How can I get a copy of my receipt or invoice? How do I know if this part will fit my vehicle? Check the vehicle compatibility guide above or just reach out to us. Thank You For Shopping. The item “MSD Ignition 8739 RPM Controls Two Step Module Selector” is in sale since Sunday, December 20, 2020. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Other”. The seller is “partshawk” and is located in Miami, Florida. 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.
- Brand: MSD
- Country/Region of Manufacture: United States
- Manufacturer Part Number: 8739
- MPN: 8739
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