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Description
Supertech Honda/Acura K20/F20 Black Nitrided Exhaust Valve - 31mm Std - Set of 8Experience enhanced engine performance with the Supertech Honda Acura K20 F20 Black Nitrided Exhaust Valves. Specifically engineered for precision and durability, these valves boast a 31mm standard size and come in a complete set of eight, making them an ideal upgrade for your high performance engine build. Crafted with a black nitrided finish, these exhaust valves provide superior wear resistance and improved heat tolerance, ensuring longevity even
Experience enhanced engine performance with the Supertech Honda Acura K20 F20 Black Nitrided Exhaust Valves. Specifically engineered for precision and durability, these valves boast a 31mm standard size and come in a complete set of eight, making them an ideal upgrade for your high performance engine build.Crafted with a black nitrided finish, these exhaust valves provide superior wear resistance and improved heat tolerance, ensuring longevity even under extreme operating conditions. Their design and material choice contribute to optimal combustion efficiency and smooth exhaust flow, maximizing your engine's potential.
Whether you are tuning your car for the track or daily spirited driving, Supertech Exhaust Valves offer the reliability and performance demanded by enthusiasts and professionals alike. Compatible with Honda and Acura K20 and F20 engines, they provide a direct replacement with enhanced attributes.
Trusted by tuners and workshops across Europe, these valves uphold the high standards of Supertech quality, combining competitive pricing with fast European shipping through Tuningsupply, your prime source for performance parts.
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
4.3 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
Good shirt
Size: Medium, Color: Teal 02
Love the color and the design of the shirt. The small threads it’s made out of starting to come loose though. Now when look down at chest and stomach area, there are 15+ little strings that pop out of the shirt.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Awesome shirt!
Size: Medium, Color: Blue, Size: Medium, Color: Blue
This is a nice shirt! Let me start by saying I am 6 foot 2, 195pounds with about a 40 inch chest, 42 inches on a good day! Ha ha. I ordered a medium because I wanted an athletic fit. The medium fits just right. For those wanting a normal, roomier fit I would recommend the large for my size. I’ll get a lot of compliments when I wear this shirt. What I like about it is that it is wrinkle free and looks great, I would not wear it on a super hot day with a snug fit. I do live in Florida, so that makes a difference. I also ordered the black one, both the blue and the black look very good for dress /casual. It’s polyester so it’s not super soft, which is OK. That also means it does not shrink.
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Reviewed in the United States on October 4, 2025
★★★★★ 3
Nice shirt but seems to be confusion over the color/pattern.
Size: Medium, Color: Teal 02
Nice shirt. Looks sharp and feels comfy. Lightweight and breathable. Definitely an "upscale" polo that looks like it costs more than it does - so very happy with the value. Fits as expected for the size. The only issue is that I ordered a color and style called Teal-02 and they sent me Navy-01. The color and pattern is different. It's not bad, just not what I ordered. I requested a resend of the Teal...and got the same Navy color again. Annoying.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Nice, but a bit transparent.
Size: X-Large, Color: Lake Green
I love the feel of this shirt. It is very cool and comfortable. The only thing I will add is that this shirt is a bit see-through. If I wear it, I do not feel comfortable unless I have an undershirt on.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Nice shirt
Size: XX-Large, Color: Black
Great look Great fit... got it in a few colors
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Reviewed in the United States on April 15, 2026
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