Seller notes

Ring Set - 88.50mmThis Wiseco Ring Sets fits your 1990 1989 1988 1987 1986 1985 1984 1983 Yamaha YZ490 and is perfect for a tune up or performance upgrade. Wiseco Ring Set for 1983-1990 Yamaha YZ490 - Engine Pistons Piston Rings ud Status: In Stock Condition: New RELY ON AN INDUSTRY LEADER: Each ring set is for one piston.SHOP A TIME-TESTED INDUSTRY LEADER: Wiseco rings only fit Wiseco pistonsCHOOSE QUALITY PRODUCTS: Wiseco engineers utilize the latest in 3D design and finite element modeling so...

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