SKU: 10006721727

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

$104.40 $116.00
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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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jorge
Lake Worth, US
★★★★★ 4
Really liked the natural sourcing and added ben...
Size: 90 Count (Pack of 1)
This product is great. I appreciated the avocado oil included and that it's naturally sourced. It helps support sleep, bones, and muscles, which I need. The only thing is, I wish it absorbed faster. Still, overall, a good supplement for daily use.
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Reviewed in the United States on August 24, 2025
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TommyC
Natrona Heights, US
★★★★★ 5
Great supplement for overall health benefits
Size: 90 Count (Pack of 1)
I really like the features of the magnesium supplement. The fact that it's non-GMO and naturally sourced makes me feel better about taking it daily. I noticed improved sleep and muscle recovery after workouts. Including avocado oil and trace minerals is a nice touch. Overall, a good product for supporting bone, sleep, and muscle health.
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Reviewed in the United States on August 21, 2025
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MH
Whiting, US
★★★★★ 3
Didn't help for sleep
Size: 90 Count (Pack of 1), Size: 90 Count (Pack of 1)
First of all, I want to mention that I do think this is a quality product. Sea-based magnesium has had a good effect on me before and with the combination of AstraGin and avocado oil, this is a solid list of ingredients. AstraGin is a patented proven combo of notoginseng and Astragalus that helps with absorption in small doses. This was my first time trying AstraGin and I was unsure about using it for nighttime use due to the notoginseng, which is stimulating. But I have seen this in some other sleep formulas and they claim it's only meant for absorption and shouldn't stimulate. The first time I tried it at night with some of my usual supplements, I fell asleep easily but all of a sudden woke up 2 hours later and couldn't go back to sleep for 1.5 hrs. I only drifted back to sleeping bc I was so awake and had to resort to THC gummies. I took a couple days off and tried it again and it was the same bad sleep. Your experience might be different from mine because I am very sensitive to a lot of supplements and I think the AstraGin just doesn't agree with my system but I wanted to let other sensitive people know so they can be cautious.
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Reviewed in the United States on August 22, 2025
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Amazon Customer
Los Angeles, US
★★★★★ 5
Worth the money
Size: 90 Count (Pack of 1)
Works well for sleep
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Reviewed in the United States on January 8, 2026
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Elle
Louisville, US
★★★★★ 5
Naturally sourced, quality magnesium softgels, with bioavailability and absorption support.
Size: 90 Count (Pack of 1), Size: 90 Count (Pack of 1)
As someone who’s been using magnesium for years and likes to rotate between different forms like glycinate, bisglycinate, citrate, and L-threonate. I’m always on the lookout for magnesium supplements with smart formulas, especially those that prioritize bioavailability and absorption, since I’ve had issues with nutrient absorption in the past. This marine derived magnesium in softgel form really stood out to me, as I prefer softgels for bioavailability and absorption support. I’ve never been able to find a quality, natural, non-synthetic magnesium supplement in softgel form but I feel like I finally have.This aquamin magnesium was completely new to me and I found it genuinely refreshing, as it’s a break from the usual synthetic forms. You can tell right away this isn’t just another basic magnesium supplement. I’m impressed by this being a natural form of magnesium that contains 72 trace minerals that are naturally sourced from clean Irish seawater and sustainably harvested. I really appreciate the addition of avocado oil, as it helps support better absorption of magnesium. It's also a great source of healthy fats and antioxidants. Additionally this contains an ingredient completely new to me called AstraGin, which is naturally derived from astragalus and panax notoginseng. It was clinically shown to help support enhanced absorption. I really like seeing this in this supplement facts, it’s a big bonus for me, having nutrient absorption challenges. Although, anyone would benefit from high bioavailability and support for enhanced absorption. The focus on bioavailability and absorption was a big stand out, it’s exactly what I want to see in choosing a supplement. I usually use magnesium bisglycinate because of its high absorption, but this one actually claims even higher solubility compared to both glycinate and bisglycinate. A serving size of three oblong softgels provide 600 mg of magnesium sourced from sea water, 990 mg of avocado oil and 33 mg AstraGin. I love that my body is getting the support of a new form of magnesium that is natural and pure with the benefits of avocado oil and additional absorption support. healthy fats, I found three softgels easy to swallow, but I can see how these might be more challenging to have to take three of this size for a serving. I had no aftertaste or stomach upset, these seem very gentle overall. This is a high-quality magnesium supplement that's naturally sourced, with a focus on bioavailability and absorption support, that’s been clinically tested, and made with purity and transparency in mind. This is a true standout in my magnesium rotation. If you're looking for a magnesium supplement, I highly recommend trying it.
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Reviewed in the United States on August 20, 2025

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