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Description
Bluebird Leaf Spring Pin - M5446M5446 Bluebird leaf spring pin made for Bluebird leaf springs. This pin has an overall length of 6. 375 inches, a center to center length of 5 inches, and an outside diameter of 1. 25 inches. Leaf Spring Pin Details: Use with M1205 or M1201 leaf spring hangers. Application: Bluebird Length: 6. 375 Center To Center: 5 Outside Diameter: 1. 25" Compatible Shackle Kits: MBS1401 Alternate SKU Numbers: 1662774, 327 522, B1489 14 and SB 1489
M5446 Bluebird leaf spring pin made for Bluebird leaf springs. This pin has an overall length of 6.375 inches, a center-to-center length of 5 inches, and an outside diameter of 1.25 inches.
Leaf Spring Pin Details:
- Use with M1205 or M1201 leaf spring hangers.
- Application: Bluebird
- Length: 6.375”
- Center To Center: 5”
- Outside Diameter: 1.25"
- Compatible Shackle Kits: MBS1401
- Alternate SKU Numbers: 1662774, 327-522, B1489-14 and SB-1489
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
4.2 ★★★★★
Based on 471 reviews
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Product Reviews
★★★★★ 4
High Quality
My husband is deficient in magnesium and these by far looked like they were of the highest quality . Not sure yet if they help him sleep better but will be purchasing them again.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Better sleep, better mood
This definitely helped my mood and sleeping. It literally changed my default. The only electrolyte that can pass the blood brain barrier. I recommend.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
For better sleep and consultation and calming effect.
It seems to work for me, it makes me calm but energetic, plus I sleep for 8 hours since taking it.
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Reviewed in the United States on May 10, 2026
★★★★★ 3
Not working for me 100%
Still not sure about how this magnesium affects me. I have only been taking one tablet an hour or two before bedtime. Seems like sometimes I can’t go to sleep after taking it, charges up my brain. Other times I sleep but have crazy dreams. Maybe it works for some, but not others. I’ll try to finish the bottle, but the lack of sleep after taking the Magnesium L-Threonate makes me hesitant to continue some nights. That’s mainly the reason I purchased this brand to include the reviews.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Helps Relax the muscles
I like to take a magnesium supplement daily, usually in the evening before going to be as it helps relax me for sleep
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Reviewed in the United States on May 3, 2026