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Complete Manley 04+ Wrx Sti (ej257) Size (std) Stroke (79mm) Bore (99.50mm Grade A) Single Piston W/ Rings Series [gberzF64]

$37.99 $121.99 -69%

2618 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 t

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2618 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 more power.Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.Unique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

I'm happy with the item.

- Sonya C..

December 31, 2025

Absolutely no complaints!

This is a really good tool.

- Janine V..

December 31, 2025

Absolutely no complaints!

It’s perfect. No issues.

- Miles J..

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