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Manley forged pistons for the MazdaSpeed 3 MZR 2.3L are offered as a set of four with 87.75mm bore, a -13.3cc dome and a 9.5:1 compression ratio. Manley’s Platinum Series uses domestic 2618 alloy forgings, chrome-moly wrist pins, precise cam and barrel skirt profiles, and strict ring land and groove tolerances to support ring seal and durability in demanding engine builds.
Manley MazdaSpeed 3 MZR 2.3L 87.75mm Bore -13.3cc Dome 9.5:1 CR Pistons w/ Rings - Set of 4
