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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Synchrotech Pro Series 2nd Gear For Honda / Acura K-Series TransmissionsSynchrotech Pro Series 2nd Gear Honda Acura K Series Transmissions **Direct Replacement for the OEM 49 Tooth 2nd Gear!** Synchrotech Transmissions Pro Series 2nd Gear for 2002 2006 Acura RSX Type S K20A2, K20Z1 2006 2011 Honda Civic Si K20A2, K20Z3 JDM 2002 2006 Honda Integra Type R K20A All 2002 2010 Honda Acura K20 6 Speed Transmissions Pro Series 2. 13 Ratio C S 2nd gear
Synchrotech Pro Series 2nd Gear Honda / Acura K-Series Transmissions
**Direct Replacement for the OEM 49 Tooth 2nd Gear!**
Synchrotech Transmissions Pro Series 2nd Gear for
- 2002-2006 Acura RSX Type S - K20A2, K20Z1
- 2006-2011 Honda Civic Si - K20A2, K20Z3
- JDM 2002-2006 Honda Integra Type R - K20A
- All 2002-2010 Honda / Acura K20 6 Speed Transmissions
Pro Series 2.13 Ratio - C/S - 2nd gear
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
4.8 ★★★★★
Based on 865 reviews
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Product Reviews
★★★★★ 5
My favorite
Size: Medium, Color: Opal Blue/White/Cruise Blue (3-pairs)
My favorite socks, too bad under armour discontinued the cotton blend fabric and went to 100% polyester 😠
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
Comfortable
Size: 6-10, Color: Halo Gray/Assorted
These are my favorite socks!
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks.
Comfortable Fit:
They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching.
Great for Everyday Wear:
Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky.
Durable & Long-Lasting:
These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly.
Reliable Under Armour Quality:
You can tell they’re well made. Consistent quality that matches what you expect from Under Armour.
Overall Impression:
When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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Reviewed in the United States on May 2, 2026
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