JE Pistons BMW N54B30 84.5mm Bore 9.5:1 KIT (Set of 6 Pistons)

The JE Pistons BMW N54B30 84.5mm Bore 9.5:1 KIT is a set of high-performance forged pistons designed specifically for BMW N54 engines. Crafted with over 75 years of expertise in racing piston manufacturing, these pistons are engineered, forged, and machined entirely in the USA to ensure maximum durability and performance. They are tailored for both European and sport compact applications, providing a reliable upgrade for high-stress racing or spirited driving. The pistons feature a 84.5mm bore and a 9.5:1 compression ratio, offering a balanced combination of power and efficiency. Built for demanding conditions, they deliver consistent performance from the drift track to the drag strip, making them a proven choice for enthusiasts seeking race-level quality.

Designed to fit BMW N54 engines, typically found in models from the late 2000s to early 2010s, this kit is a direct replacement for stock pistons. It is suitable for use in high-performance builds, racing, or tuning applications where enhanced durability and power are desired. The set includes six pistons, ready for installation in the engine’s bore, and is ideal for those upgrading or rebuilding their N54 engine for increased performance. These pistons are intended for professional or experienced DIY installation, ensuring a precise fitment and optimal engine operation in racing or high-performance street setups.