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ProX forged piston set. The forged ProX pistons are made from a special aluminum alloy that reduces friction and maximizes reliability. The pistons are precisely machined using the latest CNC equipment. The same alloy is used for pistons with low expansion and low friction, which is used by all the major Japanese engine manufacturers.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.