Wiseco Yamaha YFZ450 04-13 12.51 CR 3858XS Piston Kit

The Forged Series of 4-stroke pistons is engineered for versatility and covers various applications. These pistons are designed for ATVs, dirt bikes, street bikes, snowmobiles, UTVs, V-Twins, and more, and they provide options in various bore sizes and compression ratios.