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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8)Manley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just
Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.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 1326 reviews
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Product Reviews
★★★★★ 5
Love the color.
Cute! Comfy!
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Reviewed in the United States on June 16, 2021
★★★★★ 5
For my granddaughter who loves avocados
Size: 4-10, Color: Avocado (Coral)
Just the gift for an avocado loving little girl.
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Reviewed in the United States on November 3, 2023
★★★★★ 5
These actually work! I love them!
These socks actually work! I have struggled for so long to deal with dryness. I’m a big runner and workout every day and my feet get so dry and cracked and never have a chance to heal. After shower, I put neosporin on the areas that were really bad, and then put these socks on and went to bed. When I woke up in the morning it was like my feet were magically fixed!
The only thing I will warn of, which isn’t a negative, is the size. I am a womens 9 1/2 shoe size. If my feet were any bigger then these socks would not fit comfortably. My heels would be coming out of them.
Otherwise, they are soft, comfy, and definitely do the job!
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Reviewed in the United States on July 1, 2025
★★★★★ 5
Relaxing while watching RJ Decker with my gel socks on!
I love these gel socks. My feet get so messed up working in the yard and swimming in the pool. Just be careful not to slip. Wear while relaxing. Your feet will thank you!!
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Great so ks
Very good socks
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Reviewed in the United States on May 1, 2026