2022-Present     G22     B4

offering optimization of critical operating parameters important to you

Please note that this Head Stud Kit is not a retrofit from a Chrysler or Volvo stud kit

For enhanced strength and reliability

this BMW S52 piston set features:

Piston Skirt Coating Number of Pistons:12 2022-Present G22 B4Skirt Coating Friction Reducing Piston Enhancement This coating is applied to the piston skirt (the side of the piston that contacts the cylinder wall) to reduce friction during operation. By lowering metal to metal contact, the coating promotes smoother piston movement, improves ring seal stability, and minimizes wear on both the piston and cylinder bore. Key Benefits: Reduces friction between the piston and cylinder wall Minimizes wear during cold