JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons 3.307 Bore 1.275 CD 0.866 Dia

Engineered for enhanced performance, this set of pistons is designed to optimize high-horsepower racing engines. The aligned grain flow technology utilized in the forging process significantly improves tensile strength, ensuring durability under extreme conditions.

The skirt coating effectively minimizes friction and wear on piston skirts and cylinder walls, while also lowering operational noise levels during cold starts. Furthermore, the thermal barrier crown coating reflects heat back into the combustion chamber, which helps to reduce piston crown temperatures and improve exhaust gas scavenging.

Constructed with premium thick-wall wrist pins, these components are manufactured in the USA to withstand the rigorous demands of high-performance and power-adder builds. The inclusion of lateral gas ports maintains a power-producing ring seal at the top compression ring, even in high RPM and high boost scenarios. Additionally, optimized pin oiling features ensure that the pin, pin bores, and small-end remain well-lubricated, thus reducing heat, friction, and wear.

• Aligned Grain Flow Technology: Maximizes tensile strength for high-performance applications.
• Skirt Coating: Reduces friction, wear, and noise during operation.
• Thermal Barrier Crown Coating: Reflects heat to improve combustion efficiency.
• High-Strength Wrist Pins: Designed for extreme demands of performance builds.
• Lateral Gas Ports: Ensure optimal ring seal under high RPM and boost conditions.
• Optimized Pin Oiling: Keeps critical components lubricated to minimize wear.