SKU: 21250269804

Manley Subaru EJ20/EJ25 4340 Billet 79mm Stroke Turbo Tuff Series Crankshaft

$1193.40 $1326.00
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

Manley Subaru EJ20/EJ25 4340 Billet 79mm Stroke Turbo Tuff Series CrankshaftManley Turbo Tuff Billet Crankshafts deliver uncompromising strength, precision, and reliability for high horsepower and high boosted applications. Machined from premium 4340 Turbo Tuff billet material, each crank features gun drilled pins and fully knife edged counterweights for reduced weight and superior balance. A multi step heat treatment and nitriding process maximize durability, while stress relief, shot peening, and 100% magnaflux inspection

Manley Turbo Tuff® Billet Crankshafts deliver uncompromising strength, precision, and reliability for high-horsepower and high-boosted applications. Machined from premium 4340 Turbo Tuff® billet material, each crank features gun-drilled pins and fully knife-edged counterweights for reduced weight and superior balance. A multi-step heat treatment and nitriding process maximize durability, while stress relief, shot peening, and 100% magnaflux inspection ensure flawless quality.

  • Enhanced Strength: Heat-treated and nitrided for max durability
  • Counterweights knife-edged for precise balance and stability
  • Quality Assured: Stress-relieved, shot-peened, magnafluxed
  • Direct Shot Oiling for reliable bearing and journal life

This Part Fits:

Year Make Model Submodel
2005-2006 Saab 9-2X Aero
2003 Subaru Baja Base
2003-2006 Subaru Baja Sport
2004-2006 Subaru Baja Turbo
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
2003-2011 Subaru Forester X
2006-2008 Subaru Forester X L.L. Bean Edition
2009-2011 Subaru Forester X Limited
2009-2011 Subaru Forester X Premium
2011 Subaru Forester X Touring
2003-2005 Subaru Forester XS
2005 Subaru Forester XS L.L. Bean Edition
2004-2005,2009 Subaru Forester XT
2006-2010 Subaru Forester XT Limited
2005,2010-2011 Subaru Forester XT Premium
2011 Subaru Forester XT Touring
2009-2010 Subaru Impreza 2.5 GT
2006-2011 Subaru Impreza 2.5i
2010-2011 Subaru Impreza 2.5i Premium
2012 Subaru Impreza Base
2012 Subaru Impreza Limited
2002-2004 Subaru Impreza Outback
2005-2011 Subaru Impreza Outback Sport
2012 Subaru Impreza Premium
1998-2005 Subaru Impreza RS
2012 Subaru Impreza Sport Limited
2012 Subaru Impreza Sport Premium
2002-2004 Subaru Impreza TS
2002-2012 Subaru Impreza WRX
2006-2007,2010-2012 Subaru Impreza WRX Limited
2009-2012 Subaru Impreza WRX Premium
2004-2012 Subaru Impreza WRX STI
2007,2011-2012 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2006-2007 Subaru Impreza WRX TR
2010-2011 Subaru Legacy 2.5GT
2006-2011 Subaru Legacy 2.5i
2007-2011 Subaru Legacy 2.5i Limited
2010-2011 Subaru Legacy 2.5i Premium
2007-2009 Subaru Legacy 2.5i Special Edition
2000 Subaru Legacy Brighton
1996-2006 Subaru Legacy GT
1998,2000-2002,2005,2007-2009 Subaru Legacy GT Limited
2006-2009 Subaru Legacy GT spec.B
2005 Subaru Legacy i
2000-2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2003 Subaru Legacy L SE
2005 Subaru Legacy Limited
1999 Subaru Legacy Limited 30th Anniversary
1996-1997 Subaru Legacy LSi
1996-1999 Subaru Legacy Outback
1997,1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2006-2011 Subaru Outback 2.5i
2007 Subaru Outback 2.5i Basic
2008 Subaru Outback 2.5i L.L. Bean Edition
2006-2011 Subaru Outback 2.5i Limited
2008 Subaru Outback 2.5i Limited L.L. Bean Edition
2010-2011 Subaru Outback 2.5i Premium
2009 Subaru Outback 2.5i Special Edition
2000-2004,2008 Subaru Outback Base
2005 Subaru Outback i
2000-2005 Subaru Outback Limited
2005-2006 Subaru Outback XT
2005-2009 Subaru Outback XT Limited
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 21250269804

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4.8 ★★★★★
Based on 8 reviews
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Product Reviews
T
Verified Purchase
TAIYUAN D.
Fort Morgan, US
★★★★★ 5
Great office chair highly recommended!
This office chair is easy to assemble and the instructions are clear to follow. I am very impressed with this office chair, the seat is extremely comfortable after I sat for a long time and I feel relaxed. Also, the lumbar can be adjusted and has great back support. Great price for the quality. Highly recommend those who are looking for the office chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
A
Verified Purchase
ALB
Boise, US
★★★★★ 5
Comfortable and Great Value Office Chair
This office chair exceeded my expectations for the price. The assembly was quick and easy, and the chair feels sturdy once put together. The seat cushion is comfortable for extended use, while the mesh back helps keep airflow moving throughout the day. I also like the adjustable lumbar support and flip-up armrests, which make it easy to customize and save space when not in use. It rolls smoothly, looks professional, and provides great comfort for working from home. Overall, an excellent value and a solid choice for a home office.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
L
Verified Purchase
Lisa
Pawtucket, US
★★★★★ 5
Very comfortable
Great chair, simple assembly that took ~20 minutes. Very smooth height adjustments, even has a rocking function. Very sturdy and the build quality seems good. Breathable fabric for the back and good quality leather for the seats.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
Y
Verified Purchase
Ye
Pawtucket, US
★★★★★ 5
Great value high quality
The chair is very comfortable, even during long hours of work. The cushioning provides great support, and the ergonomic design helps maintain a good posture throughout the day. I also appreciate the adjustable features (height, armrests, and tilt), which make it easy to customize to my preference. Overall, this is a great value for the price. If you’re looking for a reliable, comfortable office chair for daily use, I would definitely recommend this one.
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Reviewed in the United States on April 20, 2026
J
Verified Purchase
J Walker
Houston, US
★★★★★ 5
Great chair with one caveat!!
I ordered this chair to replace my previous computer chair that lacked back support and was generally uncomfortable, and I am very glad I did!! I was looking for this style of chair and was looking over a few different similar options on Amazon. I did look outside of amazon as well, but Amazon had the best prices in my opinion. I was hesitant on each selection due to either pricing or reviews that scared me away. I ended up going with this one since they were offering a deal on the red and black one - as soon as I saw that, I was sold! I believe it was a middle of the pack price for comparison. Overall, I really like the chair, but it does come with one warning I will share below: **DELIVERY** 10/10 I ordered this chair and though I think it did say it was PRIME eligible, it showed that the delivery as a future date that was about two weeks out. I am impatient and entitled, much like most of us Primers, haha, but due to the deal, I bit the bullet and ordered and made myself forget about it since it would be a bit. MUCH to my surprise, it showed up a few days later at my doorstep!!! I was really excited!!! A+ on this category! **PACKAGING** 9/10 After reading some reviews that stated that the packing was rough, I'm not going to lie, I was expecting a mangled box to be at my front door. Also to my surprise, the box was perfectly fine! Maybe this was feedback that the distributor took and made the necessary changes? I don't know, but everything arrived undamaged in terms of the box. I deducted one point because one of the armrests (left side) had a "chunk" that lifted off the top a bit. To try and describe it, the armrests are like a hard foam, and best I can describe, it was as if something nicked the top flat surface of it and peeled back a small chunk, about the size of a pea. I pushed it back down and it sat. I forgot about it until writing this, and now cannot find it. **ASSEMBLY** 8/10 Assembly took about 45 minutes to an hour or so. It could have gone faster, but the screw hole on the back rest was crooked, so when attaching the back rest to the seat with the supplied bracket, I kept having trouble and eventually had to remove the back rest completely to try and see what was going on. The screw hole was slightly tilted which was making it hard to thread. Once I saw what was going on, I was about to put the screw in with that in mind and just came in at a slight angle. Everything else was pretty straight forward! **LOOKS** 9/10 This chair looks really cool. That said, I am in to cars and making them fast/cool, so I do have a bias. The only thing I don't care for as much are the wheels - as much as I love making cars look cool, I thought it was a little corny for computer chair wheels, lol. I don't notice it as much now that it has been assembled, though. **FUNCTION** 10/10 with one warning As I said, my old chair sucked, so this is in comparison with that chair. When it comes to function, this hit all the boxes for me. The material is soft and comfortable. The seat cushion is good for me, but I am 145lbs, so not sure how it would fair for a large individual. The chair is pretty wide so I think it would fit a larger person just fine, plus the arm rests can swivel and lock into three different positions - straight, pointed outwards, pointed inwards. Having them pointed outwards allows me to rest my elbows on the backs of them while gaming or working. The back support piece is SUPER helpful for me. It can be re-positioned easily and stays in place. The headrest is nice for neck support, but doesn't stay in place as well and can sag down, but not a big deal. The warning I was talking about is actually a perk of functioning, but not for me in one instance. Yes, the chair reclines all the way back. Even better, it doesn't tip while doing it, which I thought it surely would laid all the way back. The problem for me is that I was on a work zoom meeting that didn't require the camera on, I reclined all the way back and was "listening." I woke up later :-/ Good chair, I would recommend it!
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Reviewed in the United States on August 3, 2020

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