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The Wiseco dished piston set for GM Ecotec 2.2L engines (86.50 mm bore) is a shelf stock set of four intended for rebuilds matching that bore and compression height. These pistons provide the necessary crown and ring groove machining for correct fit and function, with finish work aimed at preserving ring seal and managing friction in demanding service or upgraded Ecotec engines.
Wiseco GM ECOTEC Dished 8.9:1 CR 86.5 Piston Shelf Stock Kit
