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Description
Supertech Honda K20 Exhaust Valve Guide 6.6mm Stem - Set of 8Upgrade your Honda K20 engine with the Supertech Exhaust Valve Guides featuring a precise 6. 6mm stem diameter. These valve guides are engineered for performance and durability, ensuring optimized exhaust valve operation in demanding conditions. Supplied as a complete set of eight, they offer a perfect fit and reliable function for your engine rebuild or upgrade project. Crafted by Supertech, a brand renowned for high quality engine components, these
Upgrade your Honda K20 engine with the Supertech Exhaust Valve Guides featuring a precise 6.6mm stem diameter. These valve guides are engineered for performance and durability, ensuring optimized exhaust valve operation in demanding conditions. Supplied as a complete set of eight, they offer a perfect fit and reliable function for your engine rebuild or upgrade project.Crafted by Supertech, a brand renowned for high-quality engine components, these valve guides enhance your engine's efficiency and longevity. Ideal for enthusiasts and professional tuners alike, they help maintain tight tolerances and reduce valve wear, contributing to improved combustion and power output.
Whether you are building a high-performance street machine or a track-focused race car, these valve guides support your engine's breathing and help you extract maximum horsepower from your Honda K20 build. The set ensures consistent quality and easy installation, making them a smart choice for anyone serious about engine performance.
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4.1 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Rock-Solid Mounts with Flawless Adjustability
Size: Standard--black, Size: Standard--black
Absolutely fantastic mounts! I couldn't be happier with this purchase. They are currently holding my 12lb surround sound speakers on the wall, and I have complete confidence in their sturdiness. They feel incredibly solid and well-made.
Installation was a breeze, and the range of motion is a real game-changer. Being able to swivel and tilt the speakers has allowed me to perfectly angle them towards my listening position, which has made a huge difference in my surround sound experience.
On top of the great functionality, they have a very sleek and clean look. The built-in cable management is a brilliant touch that helps keep everything looking tidy and professional.
If you're looking for a reliable, adjustable, and great-looking set of speaker mounts, look no further. These are top-notch, and I highly recommend them!
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Reviewed in the United States on July 30, 2025
★★★★★ 5
Great product!
Size: Standard--white, Size: Standard--white
Very sturdy and great value for money! Speakers fit perfectly. You can adjust the width and tighten around the sides of the speaker so they’re not loose on the platform. Offers proper stability for the speakers, they will not fall out of the wall if they’re installed correctly and not overloaded with weight. I have the Edifier R1280T speakers mounted and they’re roughly 10-12 pounds each.
**My only complaint which was not a big deal to me** As other people have mentioned, the white plate that hides the screws on the wall is not attached to anything. It was just hanging there loose with a gap between it and the wall, but I got these clear double-sided tape circles to adhere them to the wall and it worked !!! Very quick and easy solution. Maybe the seller could include a few clear stickies in the package moving forward?
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Reviewed in the United States on August 19, 2024
★★★★★ 5
Ideal speaker wall mounts
Size: Standard--black
These speaker mounts were better than expected for the price. The mounts hold the speakers securely also tilt and swivel to get the sound where needed. Well thought out design, easy to mount, looks great also. Mounting hardware was included. I would purchase again.
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Reviewed in the United States on December 26, 2025
★★★★★ 5
Well made, sturdy, and work great!
Work great for our KEF bookshelf speakers, would definitely buy again!
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Reviewed in the United States on April 28, 2026
★★★★★ 4
Almost perfect, absolutely fit for purpose, and a great value
Size: Standard--black
These are really, really close to being five stars, but because of my OCD tendencies when it comes to things being true and level, I can only go four. The way these mounts are made, speakers rest inside and on the inner surface of the L-shaped adjustable side brackets, and not on the large metal plate between them. Leveling on the fore-and-aft plane can easily be handled via the adjustment nut on the bottom of the bracket. But there is no provision for side-to-side leveling, so if the manufacturing of the side brackets is not within tolerance, you'll wind up with a speaker that's ever-so-slightly wonky...which is the case with ONE of my mounts. The bubble is still between the lines, but it's kissing the left line. Most would not care about this, and I'm not too bummed about it, but I am able to see that much out-of-true with the naked eye. It's not enough to pursue any kind of remediation, because the value on these really is awfully good. They are solidly built, easy to install, and easy to adjust. The manufacturer is apparently improving the product as they go based on feedback, as some issues that have vexed other owners have not been a problem for me, such as the wall plates being or coming loose (the design now ensures they stay put once pushed back to the wall), or the adjustment nut and bolt rotating freely and not staying tight (the ones on mine are great and function as intended). For the price, these are really hard to beat, and I have a feeling all the mounts like this with the different oddly-named brands are made in the same factory. That being the case, get the cheapest ones, and the day I bought mine, these were those.
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Reviewed in the United States on September 15, 2025
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