Repl. Starter ring gear BT90-93 66teeth

Now you don't have to replace the entire clutch basket and ring gear assembly when you chipped a tooth on your starter ring on your 1990 or later Evolution Big Twin or Twin Cam. These ring gears bolt-on in minutes and are manufactured from top-grade materials for a very long service life. Available for 1990 thru 1999 Evolution Big Twin, and 1999 to present Twin Cam.