Alternator Gearcover Kit for 1993-1999 Big Twins. Whether you are building an engine from scratch or customizing your present engine, this polished gearcover will make people take notice. In spite of the simple, elegant design, it is tough as nails. Machined from high quality solid billet aluminum, this is much more dimensionally precise than even the best cast parts. Flangless Style with Billet Ignition Cover Polished Billet 1993-1999 Big Twins S&S Part #: 31-0336