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Manley Extreme Duty Platinum Series forged piston set for 2004+ Subaru WRX/STi, 99.50mm standard bore with a 9.8:1 dish, intended for high-stress applications. Constructed from domestic 2618 alloy forgings with proven cam-and-barrel skirt profiles and tool steel wrist pins, these pistons feature precise ring lands and grooves and selective moly skirt coatings to support consistent ring seal and durability under demanding conditions.
Manley 04+ Subaru WRX/STi EH257 99.50mm STD Bore 9.8:1 Dish Extreme Duty Piston Set of 4
