If you are doing any serious performance upgrades to your engine, don’t forget about your transmission. Our billet 6061-T6 trap door is 3x stronger than the stock die-cast door in critical areas around the mainshaft and countershaft bearings.
Fits 1991-03 Sportster / Buell
(except XB9 & XB12)
PN 299-5, Billet 5-Speed Trap Door Assembly
Refer to your Factory Service Manual
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