SKU: 10006721727

ACL Acura D16A1 / 97-01 Honda H22A4 / 98+ F23A Standard Size High Performance 55mm Main Bearing Set

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Description

ACL Acura D16A1 / 97-01 Honda H22A4 / 98+ F23A Standard Size High Performance 55mm Main Bearing SetACL is an engine builders top choice for their quality and consistency. Buy with confidence; you will find ACL in many cars on road as they are an Original Equipment supplier. Many racers, especially import racers, swear by both their stock and performance series crankshaft rod and main bearings. ACL premium bearings will not only hold up better and longer than OEM, but the special coating process will also help prevent premature engine bearing

ACL is an engine builders top choice for their quality and consistency. Buy with confidence; you will find ACL in many cars on road as they are an Original Equipment supplier. Many racers, especially import racers, swear by both their stock and performance series crankshaft rod and main bearings. ACL premium bearings will not only hold up better and longer than OEM, but the special coating process will also help prevent premature engine bearing failures and expensive engine damage.

ACL Race series performance bearings are for extreme endurance under harsh conditions. Plan on running high RPMs and big boost? Fatigue, stress wear, and failure are factors you won't have to worry about when you are running ACL's top of the line metallurgy.

ACL Duraglide series bearings are a tri-metal design that provide a combination of high strength and the ability to withstand harsh / demanding operating conditions above casual driving. This makes them ideal for performance engines and rebuilds.

Please Note When Ordering Bearings: Engine bearings require proper tolerance to be measured before purchase. If you are not sure what size bearings your build requires, please consult a professional engine builder. We are not responsible for incorrectly ordered bearings and can not take returns or provide exchanges on any engine internal components.

Notes:

H: Standard oil clearance
HX: +0.001 in extra oil clearance
HD: Standard Oil Clearance + Dowel hole in lower half
HXD: +0.001 in extra oil clearance + Dowel hole in lower half

ENGINE BEARING DIMENSIONS
Minimum std shaft size 2.1646in / 54.980mm
Maximum std shaft size 2.1654in / 55.000mm
Minimum std tunnel size 2.3228in / 59.000mm
Maximum std tunnel size 2.3236in / 59.020mm
Maximum wall at crown 0.0790in / 2.007mm
Maximum overall length 0.7874in / 20.00mm
Engine Bore size x Stroke Engine code Make and model
DOHC 16v 81mm / 3.189in x 89mm / 3.504in B18A Accord, Vigor
SOHC 12v mm / 3.189in x 95mm / 3.740in B20A SOHC Prelude
DOHC 16v 81mm / 3.189in x 95mm / 3.740in B20A, B21A DOHC Prelude, Accord, Vigor
DOHC 16v 83mm / 3.268in x 95mm / 3.740in B21A1 Prelude
SOHC/DOHC 16v mm / 2.96in x 90mm / 3.54in D16A, D16B Civic, Concerto, Integra, Rover
SOHC 16v mm / 2.96in x 90mm / 3.54in D16W HR-V
SOHC/DOHC 16v mm / 2.96in x 90mm / 3.54in D16Y, D16Z Civic, CRX
SOHC 16v 75mm / 2.953in x 94.4mm / 3.717in D17A, D17Z Civic
SOHC 16v mm / 3.39in x 97mm / 3.82in F23A, F23Z Accord, Odyssey
DOHC 16v mm / 3.43in x 90.7mm / 3.57in H22A, H22Z Prelude, Accord
DOHC 16v mm / 2.95in x 90mm / 3.54in ZC Civic, Integra
SOHC 8v mm / 2.95in x 90mm / 3.54in ZC Civic
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 10006721727

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4.5 ★★★★★
Based on 8 reviews
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T
Tiffany M
Fort Morgan, US
★★★★★ 4
Good value for 2 shorts
These come vacuum sealed and have crazy wrinkles... so be prepared to do some ironing. I ordered the Mediums as I am a 6-8. The black pair feels a bit smaller than the beige pair... with both feeling tighter than I like for comfort. The look nice on, but feel like it constricts my belly a bit too much. Overall a nice basic set of shorts, perhaps size up for a more comfortable fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
S
Verified Purchase
Siobhan Smith
Carnegie, US
★★★★★ 5
Super soft and comfortable!
I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 13, 2025
M
Verified Purchase
Mariel
Pawtucket, US
★★★★★ 5
Well made, light fabric. Waist doesn't roll.
These bamboo underwear really do keep you cool. They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me. They are comfortable to wear, washed and dried easily. The material has some stretch to it, but not a lot. Well made, no stray strings. Perfect fit for me. Just what I was looking for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
F
Verified Purchase
Finngirl
Phoenix, US
★★★★★ 5
Good quality, smooth feel
I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
S
Verified Purchase
Skurtzo
Bozeman, US
★★★★★ 4
A little snug on the thighs
Size: Medium, Color: Multicoloured G (5-pack)
Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025

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