MSD Three step module selector

MSD Three step module selector

Part Number: 8737
Not Available
In Stock
Est. Delivery: Aug 26-27
Price: $ 103.99
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Features & Benefits

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 V 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.

  • Allows user to switch between 3 RPM/timing modules
  • Set different RPM limit for burnout/launch/over rev
  • Can be used w/timing controls for retard changes
  • Must be used with MSD soft touch rev limiter
  • No RPM or Retard Modules are supplied
Product Details
Part Number: 8737
Weight: 0.39lbs
Type: RPM Module Selector
Burnout RPM Limiter: Yes
Color / Finish: Black and Silver
High End RPM Limiter: Yes
Housing Material: High Quality Plastic
Module Increments (rpm): 100
Module Range Maximum (rpm): 11600
Module Range Minimum (rpm): 3000
Mounting Method: Screw down
Package Contents: Module selector, 4-Mounting Screws, Parts Bag, Wiring Terminals Note: RPM pills sold separately
Starting Line RPM Limiter: Yes
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
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