These Manley pistons are perfect for automotive enthusiasts looking to upgrade their engines for high - performance driving. Whether you're into drag racing or just want a more powerful daily driver, these pistons are a great choice. They are designed to fit specific models of Eagle, Mitsubishi, and Plymouth vehicles from 1993 - 2006. The pistons have an 85.5mm bore with a +0.5mm over bore and a 9.0:1 dish design. Made from 2618 alloy forgings, they offer great strength and durability.