CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86.5mm) - Size (+0.5mm) *Single Piston*

This listing is for a single CP Pistons forged piston and ring set, specifically sized for the Mitsubishi 4B11 engine found in the Evo X. The piston measures 86.5mm in bore diameter and is a +0.5mm oversize, intended for engines that have been bored out to accommodate this larger size. Forged pistons like these are a popular choice when rebuilding or upgrading an engine because they offer a strong and reliable foundation compared to cast pistons.

CP Pistons are known for their well-built construction, using high-strength aluminum alloys that can handle the increased stresses of performance applications. This particular set includes the necessary rings to complete the piston assembly. When installing an oversize piston, it's crucial to ensure the cylinder bore is properly honed to the correct size and finish to allow for proper ring seal and piston movement. This set is not CARB approved and cannot be shipped to California.