J.E. Pistons Piston Kit 95mm STD 12.6:1 323897

With 50 years experience serving the pros, JE Pistons is the world’s leaderin high-performance forged pistons for motorcycle applications. Ourwinning record speaks for itself, with championships in various NASCARSeries, 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 reduceoverall piston weight without sacrificing strength or durability

Pro Series pistons addition of internal and external strut bracessignificantly reduces stress on critical areas and improves ring grooveflatness for improved ring seal during operation