The Lone Star Racing 2004-05 Yamaha YFZ450 Swing Arm is made from 4130 chromoly for superior strength. It comes with the front needle bearings, billet bearing housing and billet brake plate. It has optional skid plate mounts but will always come with a chain guide mount for stock style chain guide.
- Uses stock chain slider. (not included)
- Only fits 2004-05 model years