2015-2019 for Yamaha YZ 250 FX JE PISTONS Offroad Piston Kit 323556 Comes with everything needed for

Comes with everything needed for mounting and detailed instructions

Head Width: 117mm

Size: 47 1/4in

  collapsible

Standard or heavy-duty spring rates

2015-2019 for Yamaha YZ 250 FX JE PISTONS Offroad Piston Kit 323556 Comes with everything needed forManufacturer: J. E. Pistons MPN: 323556 Title: Piston Kit Size: 77mm STD 13. 5: 1 Option: Color: With 50 years experience serving the pros, JE Pistons is the worlds leader in high performance forged pistons for motorcycle applications. Our winning record speaks for itself, with championships in various NASCAR Series, Indy 500, Baja 1000, SCCA Trans Am, 24 Hours of Daytona, LeMans, Paris to Dakar and many others. Smooth radius dome and dish designs