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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
Supertech Performance Dual Valve Springs SPR-H100DRType: Dual Spring OutSpr. OD: 30. 2mm OutSpr. ID: 22. 2mm InnSpr. OD: 22. 2mm InnSpr. ID: 16. 8mm Press. Seat: 85 @ 33. 5 Press. Open: 266 @ 14 Max Lift: 15mm Coil Bind: 18. 5mm Rate: 12. 9mm Retainer: RET K20A2 T2 + SS 3011 3+ SEAT H1020DS Engines Acura Base 4cyl 2. 0l K20A3 Acura Base 4cyl 2. 4l K24A2 Acura Base 4cyl 2. 4l K24Z3 Acura Gs r 4cyl 1. 7l B17A1 Acura Gs r 4cyl 1. 8l B18C1 Acura Special Edition 4cyl 2. 4l K24Z3 Acura Type R 4cyl 1. 8l
- Type: Dual Spring
- OutSpr.OD: 30.2mm
- OutSpr.ID: 22.2mm
- InnSpr.OD: 22.2mm
- InnSpr.ID: 16.8mm
- Press.Seat: 85 @ 33.5
- Press.Open: 266 @ 14
- Max Lift: 15mm
- Coil Bind: 18.5mm
- Rate: 12.9mm
- Retainer: RET-K20A2/T2 + SS-3011-3+ SEAT-H1020DS
Engines
Acura - Base 4cyl 2.0l K20A3
Acura - Base 4cyl 2.4l K24A2
Acura - Base 4cyl 2.4l K24Z3
Acura - Gs-r 4cyl 1.7l B17A1
Acura - Gs-r 4cyl 1.8l B18C1
Acura - Special Edition 4cyl 2.4l K24Z3
Acura - Type R 4cyl 1.8l B18C5
Acura - Type-s 4cyl 2.0l K20A2
Acura - Type-s 4cyl 2.0l K20Z1
Honda - SI 4cyl 1.6l B16A2
Honda - Vtec 4cyl 1.6l B16A2
Honda - Vtec 4cyl 1.6l B16A3
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 26 reviews
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Product Reviews
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
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Reviewed in the United States on July 20, 2018
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Good quality
Size: Medium, Color: Black/Assorted
Comfy and sturdy
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Reviewed in the United States on January 27, 2025
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
★★★★★ 5
Great socks
My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
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Reviewed in the United States on April 16, 2026