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Description
Supertech NIVN-4070F - Supertech Performance Valves - Nissan Patrol TB48DE Intake Valve 40(+1.5mm)x6.97xSupertech NIVN 4070F Supertech Performance Valves Nissan Patrol TB48DE Intake Valve 40(+1. 5mm)x6. 97x Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either
Supertech NIVN-4070F - Supertech Performance Valves - Nissan Patrol TB48DE Intake Valve 40(+1.5mm)x6.97x
Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.
Supertech High Performance Race Engine Valves features:
- The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)
- Surface finish is smoother than with chromed stems, having less friction between stem and guide.
- Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
- Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.
- The nitrided layer is adhered to the base material at a microscopic level, so does not"flake" or brake when the valves bend due to impacts with the pistons.
- The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.
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- Free Standard Shipping on $100+ Orders to the USA.
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4.2 ★★★★★
Based on 1719 reviews
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Product Reviews
★★★★★ 5
Wonder
Size: 90 Count (Pack of 1)
Qunol Vitamins Review
Qunol is a well-regarded brand in the supplement industry, known for its high-quality vitamins and supplements that support various aspects of health. Here’s a detailed look at what makes Qunol Vitamins a popular choice:
Effectiveness:
Qunol Vitamins are praised for their effectiveness in supporting overall health and well-being. The brand offers a range of products, including CoQ10, turmeric, and magnesium supplements, each designed to address specific health needs. Users often report noticeable improvements in energy levels, cardiovascular health, and joint comfortAd12.
Ingredients:
Qunol products are formulated with high-quality, bioavailable ingredients. For example, Qunol Ultra CoQ10 is known for its superior absorption compared to regular CoQ10 supplements, thanks to its water and fat-soluble formulation3. The turmeric supplements contain a high concentration of curcuminoids, which are the active compounds known for their anti-inflammatory propertiesAd1.
Taste and Ease of Use:
Many Qunol supplements come in easy-to-swallow softgels or capsules, making them convenient to incorporate into daily routines. Some products, like the liquid CoQ10, have a pleasant taste, which is a bonus for those who prefer liquid supplements3.
Packaging and Price:
Qunol products are well-packaged to ensure freshness and potency. The pricing is competitive, especially considering the quality and effectiveness of the ingredients used. While they may be slightly more expensive than some other brands, many users find the benefits justify the costAd13.
Overall Impression:
Qunol Vitamins stand out for their high-quality formulations and proven effectiveness. Whether you’re looking to boost your cardiovascular health, reduce inflammation, or support overall wellness, Qunol offers reliable and effective options. The brand’s commitment to using bioavailable ingredients ensures that you get the most out of each supplementAd123.
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Reviewed in the United States on October 2, 2024
★★★★★ 5
One of my favorites!
Size: 60 Count (Pack of 1)
It’s a very big bottle and has been my favorite for several months now. A lot of fish oil pills tend to be very uncomfortable to swallow but not these. I can swallow the single serving (2 capsules) at once which is not the case for most fish oil pills out there. I think these are definitely worth the money. Has definitely helped with my pain relief the past few months after being recommended to start taking this. I haven’t noticed too much in my skin health to be completely honest, i do a lot of other things with my skin and have a strict skincare routine already so i don’t think i would even really notice. I recently learned that fish can improve Skin health so it’s something i’ll look out for. The quality of the pills are great i’ve never once had one explode. Overall these are very effective. And they definitely affect your energy level in a positive way.
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Reviewed in the United States on November 16, 2025
★★★★★ 4
I should have read the label more carefully
Size: 60 Count (Pack of 1)
This seems to be a quality product, and I was initially happy to see that this is a one capsule dose (the main reason I ordered this brand). I was also pleased that the capsule size is small, especially compared to most fish oil capsules. What I wasn’t so happy about is the fairly minimal amount of Omega-3’s in each capsule (thus the smaller size). My bad - I should have looked at the label more carefully before ordering. I guess a person could take 3 or 4 a day to up the dosage, but that wouldn’t seem to be very cost effective.
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Reviewed in the United States on October 24, 2025
★★★★★ 5
Amazing
Size: 90 Count (Pack of 1)
Amazing that this has no fishy taste or aftertaste. Surprisingly tastes good and is burpless.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Jaw breaker redesigned
Size: 90 Count (Pack of 1)
I want to thank the manufacturer for changing the design of this shape to an easier to swallow elliptical shape instead of the jaw breaker shape.
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Reviewed in the United States on May 12, 2026