Specifications
- Brand
- Manley Performance
- Part #
- 621002C-1
Manley Subaru WRX STI 2.5L EJ257 99.75 Mm Bore 1.285 In. CH 18.00 CC Dish Piston (Single)
$214.03
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Fits 2004-2011 Subaru Impreza. Manley forged piston for the 2.5L EJ257 engine, built with 2618 alloy for strength.
Key Features
- Fits 2004-2011 Subaru Impreza.
- This is a single forged piston designed for the 2.5L EJ257 engine.
- Constructed from domestic 2618 alloy forgings for superior strength.
- Features a dish piston design with a 99.75mm bore.
- Includes premium chrome moly wrist pins for added durability.
- Piston skirt profiles are designed to generate power while being gentle on cylinder walls.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
When you're rebuilding the top end of your 2004-2011 Subaru Impreza, especially the 2.5L EJ257 engine, a strong piston is key. This single forged piston from Manley is built using their signature 2618 alloy, which is known for its strength and ability to handle demanding conditions. It features a dish design with a 99.75mm bore, and the cam and barrel skirt profiles are designed to make good power while being easy on your cylinder walls.
Manley puts a lot of care into how these pistons are made. They use unique fixturing to machine the skirt and ring grooves in one go, which helps ensure the ring grooves are perfectly square to the skirt. This attention to detail means you get a better ring seal, which translates to more power. The piston also comes with premium chrome moly wrist pins, and the ring lands and grooves are held to strict standards for a solid seal.
This piston is sold individually, so you'll need to order the correct quantity for your engine. Keep in mind that this part is not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 621002C-1
Frequently Asked Questions
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Manley Subaru WRX STI 2.5L EJ257 99.75 Mm Bore 1.285 In. CH 18.00 CC Dish Piston (Single)