JE Pistons BMW S52B32US 86.50mm Bore 9:1 CR 1.220in CH Single Piston

This listing is for a single JE Pistons forged piston designed for the BMW S52B32US engine. You'll receive the piston itself, along with high-quality wrist pins, locks, and JE Pro Seal premium piston rings. This piston features an 86.50mm bore and a 9:1 compression ratio, with a 1.220-inch compression height. It's built from 2618 aluminum, a well-known material for its high tensile strength, making it suitable for demanding performance applications. The piston also includes a proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by reducing skirt width and saving weight with a shorter wrist pin. Depending on the specific application, it may also feature a skirt coating to further reduce friction and wear, and an accumulator groove to help manage combustion gas pressure for improved ring seal and consistent power.

JE Pistons manufactures these components 100% in the USA, ensuring they are specifically designed for the S52B32US engine to offer optimized performance and durability. The 2618 aluminum construction provides the necessary strength for high-performance builds, while features like the FSR design and optional skirt coating contribute to reduced friction and improved efficiency. This piston is a solid option for anyone rebuilding or upgrading their BMW's engine, aiming for improved reliability and performance under stress.