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Manley piston set for Subaru 2.5L EJ257 (WRX/STi) with a 99.50mm bore, 1.130in compression height and -26.00cc crown volume. These "Platinum Series" forged pistons use 2618 alloy forgings and proven cam-and-barrel skirt profiles to balance power generation and cylinder wall protection. Tool steel wrist pins and select moly skirt coatings, plus tight ring land and groove standards, support improved ring seal for high-output or modified engines.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.130in CH, -26.00 CC
