The JE Ultra Series forged piston kit for BMW applications features an 82mm bore and a +12cc dish in a six-cylinder set. Ultra Series pistons use JE’s Aligned Grain Flow forging for enhanced tensile strength and include thermal barrier crown coating, skirt coating, lateral gas ports, optimized pin oiling and high-strength wrist pins. These features make the pistons suited to high-boost, power-adder engine builds and are made in the USA.
JE Pistons BMW Ultra Series +12cc Dish 82mm Bore Piston Kit (Set of 6)