Manley 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings - 2004-2021 Subaru STi (EJ257) PDM_superchargers Application-specific fitment

Application-specific fitment

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While they are certainly much better than the stock TMIC

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Manley 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings - 2004-2021 Subaru STi (EJ257) PDM_superchargers Application-specific fitment2618 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