Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Manley 04+ Subaru WRX/STi (EJ257) 83mm Stroker 99.5mm STD Bore 8.5:1 Dish Platinum Piston - Single2618 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.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
4.5 ★★★★★
Based on 1547 reviews
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Product Reviews
★★★★★ 5
Great chair keeps you feeling cool!
I love the mesh areas - it keeps you feeling cool. I love the high back and neck area (it’s adjustable) the seat tilts back and allows you to relax (for me it’s a good back stretch ) I recommend this chair for any office use!
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Reviewed in the United States on June 3, 2026
★★★★★ 1
Bad
Chair is super uncomfortable, quality is not worth this price there is cheaper for better. Already breaking on me in just a few months.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Sturdy and Comfortable
I’m really impressed with this ergonomic office chair. Assembly was incredibly easy I had it put together much faster than I expected, and everything fit together perfectly without any frustration. The teal green color is beautiful and one of my absolute favorites; it adds such a nice pop to my workspace.
As a heavier person, I’m always cautious about weight capacity, but this chair feels genuinely solid and supportive. No wobbling, no sinking just sturdy, reliable construction. The seat cushion is comfortable for long hours at the computer, and the back support has made a noticeable difference in reducing my back pain.
I also appreciate how easy it is to clean. A quick wipe keeps it looking fresh, and the material doesn’t trap dust or pet hair. The wheels glide smoothly, making it easy to roll and turn without any effort.
For the price, the quality and value are fantastic. This chair has definitely made my workdays more comfortable. I highly recommend it especially for anyone who’s heavier and hesitant about sturdiness.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Great chair — comfortable, sturdy, and surprisingly easy to assemble
The first thing that impressed me was how steady and solid it feels. It’s not wobbly or flimsy at all, and the base and wheels roll smoothly without feeling cheap. Once assembled, it feels like a chair that will last.
Assembly was also easier than expected. The instructions were straightforward, and all the parts lined up well. My 12-year-old son helped assemble it and was able to do most of it himself with some effort.
Comfort-wise, it’s excellent for everyday use. The mesh back is breathable, the seat feels supportive, and the tilt adjustment (90–125°) is a nice bonus when I want to lean back and relax. The 3D armrests are also a great touch and help with positioning for desk work.
Overall Nice chair
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Sturdy, comfortable and solid chair for focused-workers
Color: Onyx Black
I LOVE THIS CHAIR!
I've had a manager's style leather chair for the past four years from one of the office supplies big box stores and the armrests began to wear off, so the need for a suitable replacement was needed. Immediately, I knew how badly my posture was in the former chair and the ergonomics of this chair are 100% comfortable. The lumbar support is a little difficult to adjust correctly and that would be my only item for the makers to improve in future iterations. Overall, I am impressed with the quality, ease of assembly and downright comfort of this chair. I enjoy the settings especially the one to lock-in the recline degree of the back halfway and the leg rest is durable and strong. This change was for the better and I'm way more energized to get through my digital workflows for hours at a time without any fatigue. The item is cheaper than when I bought it and that's an absolute steal and bargain with much value hopefully for years to enjoy.
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Reviewed in the United States on June 4, 2026
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