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Set of Wiseco forged pistons for: BMW E46 M3 S54B32 3.2L 24V 87.00 mm CR 11.3:1
Bore : 87.50 mm
Compression ratio: 11.3:1
Our Sport Compact pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles. The pistons come standard with our ArmorGlide® coating material for reduced friction and noise, freeing up horsepower.