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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
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For Your Every Summer RSVP, with Code: SUMMER15
Description
GSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - SET 8Experience enhanced performance and durability with the GSC Power Division Intake Valve Set for the 4B11T engine. Crafted for precision, these intake valves feature a 36mm head diameter with an additional 1mm increase over stock size, designed to improve airflow and engine efficiency. The chrome polished finish not only adds a sleek, professional look under the hood but also provides increased resistance to wear and corrosion. This set includes 8
Experience enhanced performance and durability with the GSC Power Division Intake Valve Set for the 4B11T engine. Crafted for precision, these intake valves feature a 36mm head diameter with an additional 1mm increase over stock size, designed to improve airflow and engine efficiency. The chrome polished finish not only adds a sleek, professional look under the hood but also provides increased resistance to wear and corrosion.This set includes 8 valves, making it ideal for complete engine refurbishments or upgrades focused on maximizing power output. Manufactured with high-quality materials, these valves meet the rigorous demands of motorsport and high-performance street applications. Perfect for enthusiasts and workshops specializing in tuning and performance enhancements.
Upgrade your engine components with GSC Power Division's trusted parts, and enjoy fast shipping and competitive pricing through Tuningsupply, your go-to source for reliable automotive tuning parts in Europe.
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
4.0 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Good fit
Material Type: Black - 3 Pairs, Size: X-Large
My husband just started using these and they feel comfortable. Hasn't used them long enough to see if his heels are better. He has a high arch so I bought him the XL and they fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
No more painful cracked heels! These really do work!
Material Type: Black - 3 Pairs, Size: X-Large
These really do work well. This is one of the first winters that I have not experienced painful, cracked heels. They are long lasting, and definitely make my heels smoother and softer after wearing them. For the first few times wearing them I simply went with the moisturizer embedded in them. After a few uses I then covered my heels with Aquaphor Advanced Therapy Healing Ointment. This worked even better, and I would recommend it. I am very glad I bought these. Of note, I have really big feet that are quite wide and the XL are a little snug but not uncomfortably so. I use them overnight, but also have worn them under socks and they work fine.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
HEALTH & BEAUTY
Flavor Name: XL silicone socks 2 pairs
LOVE IT
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 3
Stains easily. Tight for men's size 11 feet
Flavor Name: XL silicone socks 2 pairs, Flavor Name: XL silicone socks 2 pairs
Husband wore dark cotton socks over these gel foot covers overnight and the covers picked up color from the socks. Tried hand washing, even dabbing with a bleach soaked paper towel, but the stains remained. The covers are a bit tight for men's size 11. Edit: After a few more hand washings the stains began to fade. However one tore around the leg opening when taking it off.
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Reviewed in the United States on August 10, 2024
★★★★★ 1
Worthless. Tore on first use.
Flavor Name: XL silicone socks 2 pairs
The first time I put these on my feet, the whole toe broke right through. They were a proper fit and my feet are well pedicured. Just very poor quality. I don’t recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 2, 2024
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