Transmission Assembly

Transmission Bearing Door Gasket. Made with Interface Material in the U.S.A.   Need teh Top Cover Gasket also? Go HERE

Left Side Transmission Main Input Bearing 05 and Up RSD BD Transmission

OEM Big Dog Speed Sensor. Select your specific speed sensor harness length below left before adding to your cart. This speed sensor has a...

Beginning in Mid 2006 Big Dog began using a hardened shim spacer. This item is generally needed if your bike does not have the shim and you are...

Don't need a full rebuild just a Main Input bearing refresh? This kit will get your Main Bearing back up to speed without spending too much...