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Manley Platinum Series extreme-duty piston set for 2004+ Subaru WRX/STI EH257 combines 2618 alloy forgings with proven skirt profiles and premium wrist pins to support demanding applications. Supplied for a 99.75mm bore with +0.25mm oversize and an 8.5:1 dish, this set follows Manley’s production standards for strength and precision in high-stress engine builds.
Manley 04+ Subaru WRX/STI EH257 99.75mm Bore +.25mm Size 8.5:1 Dish Extreme Duty Piston Set
