This oversized solenoid produces the extra force necessary for heavy-duty applications and hard-to-shift shifters and transmissions. Ideal for shifters with extra-long cables that make them hard to shift. This specialty unit can be a substitute for the SN5000FC and SN7000. The aluminum shifter cover will work with this model. For 2 speed transmissions using a B&M Pro Stick, Hurst Quarter Stick, TCI Outlaw, TCI Thunderstick with Front Exit Cables.