TITANIUM head stud set with Ti nuts + washers. Stud part number:90116-08394-00. Yamaha Motorcycle 2004 YZ125 – YZ125S1 CYLINDER HEAD. Yamaha Motorcycle 2003 YZ125 – YZ125R CYLINDER HEAD. Yamaha Motorcycle 1998 YZ125 – YZ125K1 CYLINDER HEAD.
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