This listing is for a brand new dyna 2000 programable digital ignition system for the gs1000 gsx1100 air cooled  models. we stock a large range of dyna products for all makes see our other listings or call 07900 362809 for more info.the dyna 2000 allows for different advance curves and has a built in adjustable revlimiter. it also has 2 rpm out put signals for use in various modes..eg shift light etc.  it replaces the stock cdi box and the ignition pickups. can run with either dyna coils or standard coils.