CP Piston BMW N55B30/S55B30 (6 Cyl) 84mm Bore -9.7cc STD Piston - Set of 6

The CP Pistons BMW N55B30/S55B30 set consists of high-quality standard pistons designed for 6-cylinder engines with an 84mm bore. These pistons are engineered to restore engine performance and reliability, featuring precise specifications such as a -9.7cc compression volume. Constructed from durable materials, they provide consistent thermal expansion and wear resistance, ensuring longevity under demanding conditions. Their design supports optimal combustion efficiency and power output, making them suitable for performance upgrades or rebuilds.

This piston set is compatible with BMW N55B30 and S55B30 engines, typically found in various BMW models equipped with 6-cylinder engines. It is intended for use in engine rebuilds, performance enhancements, or maintenance, serving as a direct replacement for OEM components. Installation involves standard piston replacement procedures, and the set includes six pistons to complete a full engine rebuild. Suitable for street and track applications, these pistons deliver reliable performance and durability for enthusiasts and professionals alike.