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Manley Platinum Series forged piston set for 2004+ Subaru WRX/STI applications is offered in 100.0mm bore with +0.50mm oversize and an 8.5:1 dish profile. These pistons use 2618 alloy forgings and incorporate tool steel wrist pins, moly skirt coatings on select SKUs and optimized cam and barrel skirt profiles. Manley highlights their precision fixturing, exacting ring lands and grooves and materials aimed at durable, high-load engine builds.
Manley 04+ Subaru WRX/STI EH257 100.0mm Bore +.50mm Size 8.5:1 Dish Extreme Duty Piston Set
