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Manley piston set for Subaru 2.5L EJ257 (WRX/STi) with a 99.50mm bore, 1.209in compression height and -10.00cc crown volume. These "Platinum Series" forged pistons are produced from domestic 2618 alloy and use cam-and-barrel skirt profiles to balance power output with cylinder wall protection. Tool steel wrist pins and moly skirt coatings on select SKUs, plus precise ring lands and grooves, help ensure dependable ring seal for tuned engines.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.209in CH, -10.00 CC
