TWO STEP MODULE SELECTOR

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Control your engine’s rpm with the MSD Two Step Module Selector. This allows you to choose two different rpm limits that can be activated at different times. The possibilities are endless with the MSD Module Selectors. They allow for a launch rev limiter and high speed rev limiter, depending on what you need for your vehicle. Features: Allows a launch rev limiter and a high speed rev limiter Instructions for Part# 8739 Show more