Our XBK12 size 12 shaft mount reducer bushing kit with a 6-1/2" bore is precision-engineered from high-quality steel alloys to deliver exceptional durability and ease of use. This size 12 kit is designed to work with major gearbox brands such as Dodge TXT1205, TXT1209, TXT1215, and TXT1225. It includes twin taper bushings, a strong full-length key, and premium hardware, making it an ideal choice for enhancing the performance and durability of your size 12 shaft mount reducer. For additional information or to get a quote on our premium size 12 shaft mount gearbox bushing kit with a 6-1/2" bore, contact our customer service team and we will gladly assist you!