JE PISTONS Piston Kit 323557

When you're pushing your engine to its limits in competition, your pistons need to handle extreme pressures and temperatures without compromise. JE Pistons' 323557 kit delivers the precision engineering and material science required for professional-grade performance, giving you the reliability to focus on winning rather than worrying about catastrophic failure. Built from 2618-T6 forged aluminum with internal and external bracing, these Pro Series pistons are engineered specifically for the demands of extreme applications.

The 323557 arrives ready to install—no deburring, no prep work required. The dome and dish features incorporate smooth flowing radii for optimized combustion geometry, while the dedicated forgings and internal milling of struts reduce rotational mass without sacrificing durability. You get a complete kit with pins, pin fitments, locks, and rings, manufactured right here in the U.S.A.

• Material: 2618-T6 forged aluminum
• Series: Pro Series
• Internal bracing: Yes
• External bracing: Yes
• Dome/dish: Smooth flowing radii
• Internal strut milling: Yes
• Accumulator groove: Included
• Forged side relief: Yes
• Complete kit: Pins, fitments, locks, rings
• Installation: Bolt-on ready
• Application: Professional competition
• Manufacturing: U.S.A.
• MPN: 323557