RPM Module Selector Welch Plugs Compatible Applications:

Compatible Applications:

which leads to massive improvement over the OEM dual dizzy setup

with Paper Element

pointing straight into the turbine

Rear lateral adj

RPM Module Selector Welch Plugs Compatible Applications:Soft Touch Rev Limiter, 7,600 9,800 rpm, 200 rpm Increments Part Number: MSD8673 The RPM Module Selector plugs directly into the rpm module socket on all MSD Soft Touch Rev Controls and accessories that use plug in modules. The user can then select between twelve different rpm limits by simply turning the knob. Six models are available to cover a range from 3,000 rpm to 12,800 rpm in 200 rpm increments.