Kit includes Dyna 2000 ignition module and Dyna Twin Fire coils PC programmability allows you to define a wide-open and part-throttle curve, rev limits, dead cranking revs and rear cylinder offset Makes stocking and buying easy by combining parts matched to a specific bike Dyna 2000 ignition has expanded advance curve functionality, a special retard mode for turbo-charged and nitrous bikes, selection between four advance curves, a quick curve which simulates a mechanical advancer for hot rod engines and four independent rev limiter choices from 6000 to 7500 rpm Dyna Twin Fire coils incorporate two performance coils into a single package that is only slightly larger than the stock coil and mounts easily to the stock mounting bracket; delivers spark voltage in excess of 30,000V with fast rise times and high energy Made in the U.S.A. Not for fuel-injected models.. DYNA2000 HD IGN/COIL,PRGM