Manley 75mm DE-STROKED 99.75mm +.25mm Bore 8.5:1 Dish Piston Set w/ Rings - 2004-2021 Subaru STi (EJ257) PDM_spoiler-and-wing-accessories initial peak torque and horsepower

initial peak torque and horsepower measured 141lb-ft and 149rwhp respectively on a chassis dyno

Four-Wheel Independent Adjustment

Covered by a 3-year warranty against manufacturing defects

from maximum evacuation using the wickers

this is a ground-up design built to set your WRX apart from every other car in the lot

Manley 75mm DE-STROKED 99.75mm +.25mm Bore 8.5:1 Dish Piston Set w/ Rings - 2004-2021 Subaru STi (EJ257) PDM_spoiler-and-wing-accessories initial peak torque and horsepower2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance. Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff DLC alloys, providing additional durability. Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and