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  • Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
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Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
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Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Load image into Gallery viewer, Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings

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Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings

Manley Performance
MAN612000CB-1
In stock
Pistons - Forged - Single
$204.69 $188.31
2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist...
Size Guide
$188.31
Manley Subaru EJ257 99.5 Grade B Bore 8.5:1 -17cc Dish Platinum Series Piston (Single Piston)
Manley Subaru EJ257 99.5 Grade B Bore 8.5:1 -17cc Dish Platinum Series Piston (Single Piston)
$204.69 $188.31
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade A) SINGLE Piston w/ Rings
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade A) SINGLE Piston w/ Rings
$204.69 $188.31
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Description
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.
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At RaceWerks, we strive to ensure your purchase arrives intact and on time. However, please note that shipping times may vary based on location and the carrier's policies.

Returns Policy

Racewerks is committed to customer satisfaction and will happily accept returns or exchanges on any brand new merchandise, including its packaging, within 30 days of the original purchase date. Please note, a restocking fee of 20% or more is deducted from the price of the returned merchandise, and shipping costs and sales tax on the restocking fee are not refundable.

Shipping

Once your goods have been dispatched, we cannot cancel the order. However, you can request a return once you receive the order. Racewerks is not liable for packages that are lost or stolen once the carrier confirms delivery.

If your tracking information shows that your package was delivered but you haven't received it, you must notify us within 48 hours. We will file a claim to locate your package, but we do not guarantee refunds or reshipments if the package is not recovered.

Cancellation

Once you complete your order, it cannot be cancelled or altered unless the item is out of stock. Our warehouses strive to process orders swiftly, sometimes even outside of customer service hours. Therefore, a cancellation fee of up to 5% may be applicable.

Please note that merchandise categorized as Special Order and Built to Order are final sales and cannot be cancelled, returned, or exchanged.

Below FAQ are some common Questions answered.

Our business operates from 6:00am to 6:00pm CST, Monday through Friday.

At Racewerks, we currently don't provide the option for in-person pick-up. All orders are delivered directly to your specified address.

We accept a variety of payment methods including Visa, MasterCard, American Express, Discover, PayPal.

Yes, we do. Please refer to our Return Policies page for detailed information.Returns Policy

At Racewerks, we won't allow shipping to alternate shipping address

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Our team is always ready to assist! If you have any queries, just send us an email and we'll get back to you.

We collect sales tax for items shipped to a range of states. For the complete list of states, please refer to our 'Collecting Taxes' section.

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