The Manley Platinum Series pistons for the 2003-2006 Mitsubishi Evolution 8 and 9 with the 7-bolt 4G63T engine are high-performance forged components designed to enhance engine durability and power. Constructed from 2618 alloy forging, these pistons feature proven cam and barrel skirt profiles for optimal stability under high-stress conditions. Equipped with tool steel wrist pins and moly skirt coatings on select part numbers, they provide superior wear resistance and thermal stability. These pistons are engineered for professional engine builders and tuners seeking reliable, high-quality components that support aggressive tuning and increased horsepower.
Designed specifically for the Evo 8 and 9 models with an 86mm +1mm over bore and a 100mm stroke, these pistons serve as direct replacements for stock components in engines with a compression ratio of 8.5:1. They are suitable for use in street, track, or performance applications where durability and consistent performance are critical. Installation involves standard bolt-on replacement, making them ideal for rebuilds or upgrades to maximize engine strength and longevity. The kit includes the pistons and rings necessary for a complete overhaul, ensuring compatibility with the stock or upgraded engine configurations.
