Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring KitExperience superior engine performance and reliability with the Supertech BMW S42 M42 M50 S50 M52 M54 Dual Valve Spring Kit. Designed specifically for BMW enthusiasts and tuners, this kit offers precision engineered valve springs to optimize your engine's valve control during high RPMs, enhancing power output and preventing valve float. The Supertech Dual Valve Spring Kit is manufactured to meet the highest quality standards, ensuring durability and
Experience superior engine performance and reliability with the Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit. Designed specifically for BMW enthusiasts and tuners, this kit offers precision-engineered valve springs to optimize your engine's valve control during high RPMs, enhancing power output and preventing valve float.The Supertech Dual Valve Spring Kit is manufactured to meet the highest quality standards, ensuring durability and consistent performance for your BMW's engine. Perfect for those who demand both street and track-level performance, these springs provide the stiffness and flexibility needed for aggressive driving and motorsport applications.
This kit is compatible with multiple BMW engine series including S42, M42, M50, S50, M52, and M54, making it an ideal upgrade for a variety of tuning projects. Backed by the trusted Supertech brand, you can be confident in the craftsmanship and engineering behind each kit.
Upgrade your valve train with the Supertech Dual Valve Spring Kit to unlock your BMW's full potential while maintaining engine reliability and longevity.
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 1925 reviews
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Product Reviews
★★★★★ 5
Love these!!!
Color: Black and White, Color: Black and White
I absolutely love these socks!!! I use them so I can walk around the house when I put lotion on my feet. They are perfect. Very very smart young lady that came up with this idea.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
The best freetoes socks ever
Color: Black, Grey
Love this toeless socks so much! I could wear it all day. Very comfortable! It is just the right thickness which is suitable in summer time or cold weather as well. Most of the toeless socks I have seen have the gel on the heel area and I don't like the feel of it. I'd rather apply lotion on my heel then wear the socks.
I have had some issues with the packaging from Amazon and I made the maker of this said socks aware of it. Julia Bebben was very prompt in her response and very helpful. Thank you Julia for your excellent customer service.
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Reviewed in the United States on November 4, 2023
★★★★★ 4
great concept, just one tiny annoyance...
Color: Black, Grey
i love that a sock that lets your toes be free is even a thing that exists. i love that this company was started by a young girl, now turned young businesswoman.
i have pain in my big toes, so i can't wear close toed anything, but feet get stinky if you wear shoes/slippers all the time without socks. this is a great solution.
the only thing i find slightly annoying (not enough to stop using these) is the seam on the bottom of your foot, near the base of the toes. it is a straight line, which is fine on the top of the foot, but i wish the bottom itself curved a bit, to follow the line of the toes. as it is, the seam lands right in the middle if the ball of my feet, so i can feel the seams everytime i take a step. i am constantly pulling the seam toward the toes, to try to keep from feeling it, but then my pinky toe gets caught and balled up on the inside.
outside of that slight annoyance, they're comfortable and fit well.
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Reviewed in the United States on March 12, 2022
★★★★★ 5
Good fit
Color: Black and Gray Argyle
I wear a size 9 shoe and these fit well. They are a little snug, but not too tight.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
A little expensive but really come in handy!
Color: Black, Grey
So far I am really happy with these socks. I broke my big toe and had to have my toenail removed and am wearing a post-op shoe/boot.
I wanted to wear a sock underneath so that my foot wouldn't get too sweaty but my toe is still too tender for regular socks and cutting the toes off of regular socks doesn't work because they won't stay put.
These work great- I actually pull them up over my little toes and just leave my first couple of toes exposed. I really like that you can wear these on either foot (unlike some open toed socks that have openings for the big toe and the rest of your toes so they are designated for left and right foot) since I'm only using them on my right foot.
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Reviewed in the United States on September 8, 2023
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