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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 100mm +.5mm Bore 8.5:1 Dish Piston Set with Rings2618 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
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.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Buy the Insurance
I had to use my insurance plan to replace my iPad case. Initially I was sent back to the merchant because I was supposed to be covered under their warranty but to no avail. Once I informed Asurion they sent me the return label along with the instructions which were extremely easy to follow. I selected my drop off location after packing the case back up and within 24-48 hours I received my refund.
Now the one downside I do not like (and it may be user error) was that the funds went to my Amazon account as a gift card. It says you can transfer the funds to your bank card from there but I did not see that option nor was it easy to find. So maybe adding instructions on how to transfer from the gift card back to your original form of payment in an easy to locate/navigate location would make this a 5 star ⭐️ review.
Overall, for what I paid for the insurance versus what I would have paid to replace the case is worth the value of the plan for my money in my books!
Smart shoppers protect their money! I will ALWAYS add the insurance when it is offered. I am seriously contemplating just doing the monthly payment for the amount of stuff I buy from here.
In other words buy the insurance… It’s totally worth it!
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Very easy to start a claim!!
Asurion is the best insurance you can buy. It's very easy to start a claim; a label is included for free shipping of the product. A gift card is electronically provided a few days after you send the product back. I love it.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
GREAT PRINTER FOR THE $$
So far so good! Printer works great!
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Reviewed in the United States on February 7, 2026
★★★★★ 1
waste of money, do not buy for Razer mice
bought this for my Razer Basilisk V3, absolute waste of money. Buttons 4 and 5 stopped working on my mouse and they want me to send it in to be inspected for repairs before they issue anything. so basically you're out of a mouse for potentially up to a month (can take 2 weeks for inspection, not including shipping time to get there). this mouse only cost me 40 dollars and some odd tax and they want me to send it in for inspection. So basically i have to buy a new mouse while i wait for this one to be "fixed" or for them to send me a giftcard to buy a replacement. So what's the point if I end up having to buy a new mouse out of pocket while i wait? Just don't bother with it.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Quick easy refund for mechanical faluire of computer mouse
I like a brand of computer mouse that is known to have mechanical issues after a year or two, so i bought the protection plan. The mouse did end up not fully working about 3 months before the protection plan ended so i submitted a claim, explained what was wrong, and was almost instantly refunded the full price i had paid. Based on what i paid this time for the protection plan on my new mouse it was about 10-12 dollars originally for the plan on my old mouse.
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Reviewed in the United States on January 5, 2026