JE Pistons - Set of 4 Mitsubishi 4B11T 86.5mm Bore Custom Pistons - Set of 4

The JE Pistons Set of 4 Mitsubishi 4B11T 86.5mm Bore Custom Pistons are high-performance forged pistons designed to enhance engine durability and power. Built with over 75 years of expertise, JE Pistons are engineered, forged, and machined entirely in the USA to meet the demands of racing and sport compact applications. These pistons are crafted for specific engine configurations, offering a precise fit and optimal performance for both street and track use. Their forged construction ensures superior strength, heat resistance, and longevity, making them ideal for high-stress environments such as drag racing or spirited driving.

Designed for Mitsubishi 4B11T engines, these 86.5mm bore pistons are suitable for engines from various model years and are intended as a direct replacement or upgrade for stock components. They are perfect for enthusiasts seeking reliable performance upgrades for racing or high-performance street builds. Installation is straightforward for qualified mechanics or experienced DIYers familiar with engine rebuilds. The set provides all four pistons needed for a complete engine rebuild or upgrade, ensuring consistent performance and durability across all cylinders.