New WISECO Top End Rebuild Kit For YAMAHA WR500Z, YZ490 W-PK1818
Brand: WISECO
Part No: W-PK1818
Additional product details
Overview
Wiseco Motorcycle Off Road, 2 Stroke Piston, Shelf Stock Kit - 84-93 Yam. YZ490/WR500 87.5mm (546M)
STD COMP 87.50MM 0.50MM OS
•Piston Kit
•Top End Gasket Kit
•Top End Bearing