Nitrous with a 4spd

I think a "momentary switch" mounted on the steering wheel is what you need. Here's the Tech Line phone # for Holley/ NOS . They can tell ya what ya need to know.. Good Luck Holley Performance Products provides award-winning technical support via phone Monday through Friday from 8AM to 5PM CST, and Saturday from 9AM to 5PM CST @ 270 781-9741.