Wiseco forged replacement piston for BMW M54B30 3.0L 24V engines is a single piston specified for an 84.5 mm bore with a -7.3 cc dish and targeted 9.0:1 compression ratio. This single piston carries the exact bore, dish volume and compression specification for engine rebuilds or piston service where those dimensional and compression details are required.
Wiseco BMW M54B30 3.0L 24V 84.5mm Bore -7.3cc Dish 9.0:1 CR Piston - Single