With 50 years experience serving the Pros, JE Pistons is the world’s 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
Radiused valve reliefs
Precision CNC machined ring grooves
Machined oil drain back holes engineered for specific oil control
Factory honed pin bores, wrist pins and locks
Pro Series pistons feature purpose-built forging designs that reduce overall piston weight without sacrificing strength or durability
Pro Series pistons addition of internal and external strut braces significantly reduces stress on critical areas and improves ring groove flatness for improved ring seal during operation