CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86mm) - Size (Standard) - Compression Ratio (

Forged from high-strength 2618 aluminum alloy, these CP Pistons are built to handle the demands of the Mitsubishi 4B11 engine in the Lancer Evolution X. The 86mm standard bore size means they're a direct replacement for stock, making them a solid choice for rebuilding or upgrading your engine's core components. This set includes the pistons and rings, giving you the essential pieces to get your engine back together with improved durability.

CP Pistons are well-known for their robust construction, and this set is no exception. The 2618 alloy offers excellent strength and thermal stability, which is crucial for high-performance applications where temperatures and pressures can get extreme. The standard bore size ensures a precise fit, and the included rings are designed to seal effectively against the cylinder walls, helping to maintain compression and prevent blow-by. This attention to detail in materials and manufacturing means you can trust these pistons to perform reliably under stress.

When rebuilding your 4B11 engine, using a quality piston set like this from CP Pistons is a smart move. They are designed to meet the specific needs of the Evo X, offering a significant improvement in strength and longevity over cast pistons. Make sure to consult your service manual for proper installation procedures and torque specifications to ensure the best possible outcome for your engine build.