Taking BMWs ultimate N/A 6 cylinder to the next level? Do it best with our CP S54 Forged Piston Kit.

We stock a variety of compression ratios and can also supply you with custom piston applications quickly.


-Pistons sets are stocked in 87.5mm bore to allow for a proper bore and hone.
-87mm & 87.20mm is available as a custom order

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 S54 builds and race engines
• Sold in matched and balanced sets of 6.
• Supplied with ultra high quality ring set, lightweight pins, and locks.
  
  
  • Expedited production services are available for applications not in stock; 2-3 week ($200) 1-2 week ($300) or 3 Day ($500). Please place a request at the end of your order in the notes section if you would like this service. You won't be charged if your application is in stock.
  
  *Note:
  While our pistons are cleranced for popular cam applications, and 12.5 and 13:1 pistons clearanced for high lift Schrick cams and 1mm oversized valves: It is 100% up to the engine builder to check piston to valve clearance and camshaft timing on every engine build. This must be performed by an experienced professional.

  
   

  VAC Motorsports is a full engine and machine shop and can provide any machining or building services required for mild street to full race build. Email or give us a call! VAC Motorsports is the master distributor for all CP Pistons BMW applications.