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Manley's Platinum Series single piston for Subaru EJ257 (99.5mm bore, Grade B) is a forged 2618 alloy component manufactured for durability and precise fit. The design emphasizes exact ring lands and grooves, cam-and-barrel skirt profiles that protect cylinder walls, and premium wrist pins. These pistons are used by professional engine builders seeking reliable performance and consistent sealing under load.
Manley Subaru EJ257 99.5 Grade B Bore 8.5:1 -17cc Dish Platinum Series Piston (Single Piston)
