
SKU: CPT-3228PVD. The CP Pistons Turbo piston ring set is engineered for BMW and Toyota B58 and B48 engines running high-performance or forced-induction setups. Designed for a 3.2283-inch bore and compatible with an 11.0:1 compression ratio, these rings are optimized to deliver excellent sealing, reduced friction, and long-term durability under elevated boost and cylinder pressures. Manufactured with advanced materials and coatings for turbocharged applications, CP Pistons Turbo Rings provide improved oil control, enhanced ring seal, and reliable performance in demanding modern direct-injection engines. This ring set is an ideal upgrade for serious street or race-focused B58 and B48 builds.