Billet steel 16v crank gear

The stock b234 cam gears have a tendency to shear their keys off and bend valves.  These billet steel gears use a full length woodruf key for added strenght and insurance aginst wrecking your nice new motor setup.  These gears require you to make a new slot for the the locating pin on the crank pulley.  They come in either b230 or b21/23 form factor.  Please specify which you would like in the notes.