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Description
Manley Severe Duty Series Small Block Chevy V8 1.600 Stainless Steel Exhaust Valves - Set of 8Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400? F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400?F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life.Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity.Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.XH-428 for Exhaust: No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500?F compared to the competition's EV-8.NK-844 for Intake: Our intake valve material, NK-844, is equally unmatched, displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000?F.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
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Looks improved!
Style: Swivel Base, Color: Silver, Style: Swivel Base, Color: Silver
Bought this model originally in 2016 and it has held up quite well. Decided to get a newer one since some of the product images appeared to indicate some changes had been made.
- the center opening with the logo is larger, better for airflow.
- the circle pads on the top are also larger.
- the front lip has been simplified using less materials, good choice.
- the bottom bearings are noticeably smoother and quieter.
Great attention to detail I think. I prefer the 360 spinning version after trying the standard one. The ability to rotate the stand is just so convenient. This is my favorite aluminum stand on here and now it’s even better! See photos and video for comparison. Old model on left.
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Reviewed in the United States on December 4, 2023
★★★★★ 5
Functional, durable, and color-matching stand for MacBook Pro
Style: Swivel Base, Color: Space Gray
I recently purchased this stand for my MacBook Pro and I am extremely pleased with my purchase. The design of the stand is a perfect match for my MacBook Pro, it looks great and it fits perfectly. The stand is made of durable materials and it feels very sturdy and stable, perfect for keeping on your desk.
One of the features that I appreciate the most is that it allows me to rotate my MacBook Pro 360 degrees, which is extremely convenient when I am in a meeting and need to show something on my screen to someone else.
The stand also has a non-slip rubber base which provides a stable and secure grip on any surface. Additionally, the color space gray is exactly the same as the MacBook Pro, which makes it seamlessly integrate with the overall design. Even though it is not lightweight to carry around, it is designed to be kept on your desk, which makes it perfect for a workstation.
In summary, I highly recommend this stand for MacBook Pro to anyone looking for a functional and durable stand that allows to rotate the screen, perfect to keep on your workstation and with a color that integrates seamlessly with the MacBook Pro.
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Reviewed in the United States on January 19, 2023
★★★★★ 5
Loved it so much I bought a second one!
Style: Swivel Base, Color: Space Gray
I have two of these bad boys: one at the office and one at home, and I've used them for a couple of years now. I love them. I pair it with a separate Bluetooth keyboard on the desk, and I can't imagine doing computer work without it anymore. Being able to elevate the screen transforms my laptop into a small PC, and I love being able to swivel it around to show a coworker what I'm working on or to just glance at the screen real quick if I'm up walking around. I've never had any stability issues with these. So long as you put it on a level surface, I think you'll be fine. The mStand360 is badass.
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Reviewed in the United States on October 4, 2022
★★★★★ 5
Love this drying rack
Color: black, Color: black
Easily mounted on the wall. We use near our fireplace to dry winter gloves and all that. Works great, looks sleek and nice. Love that I can fold all the prongs in when not in use. Very well priced for it. It’s stable, we hang snow suits in it. Love all the options for hanging to with the hooks, bars, and rack. It’s nice and stable to hold it all!
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Reviewed in the United States on January 26, 2025
★★★★★ 5
Excellent - thick, and coated with rustproof coating
Color: black
Excellent quality - thick and sturdy with a robust rust proof coating on the entire piece. It can hold lots of different types of clothing.
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Reviewed in the United States on December 6, 2025