CP B58 Forged Piston Set
These are the same premium pistons we use in our winning race and high performance street engines around the world! We feel that these are the best pistons for your high performance or racing engine. Working closely with CP, these pistons meet our most stringent expectations and are the finest available, anywhere. Others agree; you can find these same pistons in most of the worlds most powerful race, street. We stock a variety of compression ratios and can also supply you with custom piston applications quickly.

Please specify compression ratio when ordering above... Don't see what you need or have a question? Give us a call or email and we can help with any custom kit need.
Made from the best forgings available for uncompromising reliability and performance.
Made to the most accurate tolerances in the industry.
Many pistons look alike, however; our CP Pistons are engineered to perfect compatibility with each BMW application and engine technology.
Clearanced for popular camshaft applications and oversized valves*
All specs based on the experience of hundreds of B58 builds and race engines
Sold in matched and balanced sets of 6.
Supplied with ultra high quality ring set, lightweight pins, and locks.