JE PISTONS Piston Kit 274191

When you're pushing your engine to its limits in competition, piston failure isn't an option—it's a catastrophe. JE PISTONS' 274191 Kit delivers the structural integrity and precision engineering demanded by professional racers and extreme-duty applications, engineered to withstand the pressures that separate podium finishes from blown engines. Built from 2618-T6 forged aluminum with internal and external bracing, these pistons combine lightweight construction with the durability required for sustained high-boost and high-RPM environments.

This is a complete, ready-to-install solution that arrives with pins, locks, and rings included—no sourcing additional components or performing time-consuming machine work.

• Material: 2618-T6 forged aluminum
• Design: Internally and externally braced
• Weight reduction: Internal milling of struts
• Dome/dish: Smooth flowing radii
• Groove: Dedicated accumulator groove
• Relief: Forged side relief
• Surface finish: No deburring required
• Inclusions: Pins, locks, rings
• Application: Extreme/competition duty
• Origin: Made in the U.S.A.
• MPN: 274191