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Forged piston set. ProX forged pistons are made from a special aluminum alloy that reduces friction and maximizes reliability. ProX pistons are precision-machined using the most modern CNC equipment. The same alloy used for low-expansion and low-friction pistons is employed, which is used by all 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.