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Manley piston set for Subaru 2.5L EJ257 (WRX/STi) with 100.00mm bore, 1.209in compression height and a -17.00cc crown volume. Part of Manley’s "Platinum Series" forged line, these pistons use domestic 2618 alloy forgings and proven cam-and-barrel skirt profiles to balance power and cylinder wall protection. Tool steel wrist pins and moly skirt coatings on select SKUs enhance durability, while precise ring lands and grooves support improved ring seal for high-output engine builds.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.209in CH, -17.00 CC
