Tomei 2.3L Forged Pistons for 4B11 Mitsubishi Evo X Optima * Note the Evo 7

* Note the Evo 7 has a different OEM part number and they look slightly different in the diagrams

• Cast aluminum end tanks

These are a clean sheet designed component not a reworked OEM piece

Its multifaceted modern aluminum surface provides improved reflectivity and rigidity and installs easily

Tomei 2.3L Forged Pistons for 4B11 Mitsubishi Evo X Optima * Note the Evo 7At the core of the engine, pistons convert combustion gas into power. Choose Tomei or CP pistons with 85. 5mm or 86mm bore for the 4B11T Evo X engine. Made from exclusive forged material, these pistons are lightweight, reducing the need for excessive machining and preventing strength reduction. The 3D profile ensures smooth movement with optimal clearance and an oval barrel shape designed for thermal expansion. Vehicle Fitment: 2008 2015 Mitsubishi