Two Step Module Selector MSD8739 Product:Allows a launch rev limiter and a high speed rev limiter 55-'85 Chevrolet SB V8 &

55-'85 Chevrolet SB V8 & 90 deg

464" Lobe separation angle 114°

KN69-5317TS

Straps are sold as a kit

813 in (122 mm)

Two Step Module Selector MSD8739 Product:Allows a launch rev limiter and a high speed rev limiter 55-'85 Chevrolet SB V8 &Two Step Module SelectorAllows a launch rev limiter and a high speed rev limiter MSD8739 D8739 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