Brand: MSD Ignition Manufacturer’s Part Number: 8677 Adjustable: Yes Ignition Module Range (rpm): 1,000-3,000 Ignition Module Material: Plastic Ignition Module Color: Red Quantity: Sold individually. Notes: Module adjusts with a small flathead screwdriver.

MSD Adjustable Low RPM Modules

MSD adjustable low-rpm modules allow you to select any rpm between 1,000 and 3,000 by simply turning a knob. They’re ideal for vehicles with automatic transmissions that are using the MSD 2-step module to leave the starting line below 3,000 rpm. They plug directly into the rpm module receptacle on the 2-step module selector, and can also be used on MSD’s Soft Touch rev controls, rpm-activated switch, and shift light.