CP Piston & Ring Set for 02-06 Mini Cooper S 1.6L - Bore (78mm) - Size (+1.0mm) - Compression Ratio

CP Pistons is well-known for making strong internal engine components for performance applications. This piston and ring set is built for the 2002-2009 Mini Cooper S with the 1.6L engine, specifically designed for builds where you're looking to get more out of your engine. These aren't your everyday replacement pistons; they're forged from high-strength aluminum alloy, which makes them much more durable and resistant to the stresses of increased horsepower and torque compared to cast pistons.

This particular set is a 78mm bore size and is 1.0mm oversize, meaning it's intended for an engine that has already been bored out to accommodate this larger size, often done during a performance rebuild. The compression ratio is designed to work with performance engine builds, helping to extract more power from the fuel and air mixture. Because these are performance-oriented parts, they are often paired with upgraded connecting rods and a performance camshaft to maximize the engine's potential. It's important to note that these pistons are not CARB approved and cannot be shipped to California.

When rebuilding or modifying your Mini Cooper S engine, using well-built internal components like these forged pistons from CP Pistons is crucial for reliability and performance. They are designed to handle the demands of a performance-tuned engine, giving you confidence in the longevity of your build. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.