The 10 Best Perfect Circle Valve Seals (2022 reviews)

perfect circle valve seals
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There are plenty of options available while buying perfect circle valve seals in the market right now, and if you're confused regarding which one to go for, You have come to the right page.

Our review process:

Our Top Picks:

Cns Engine Parts Perfect Circle Valve Seal
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Felpro Perfect Circle Valve Seal
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Comp Cams Perfect Circle Valve Seal
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Comp Cams Umbrella Seal
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Felpro Valve Stem Seal
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Tyfyb Perfect Circle Valve Seal
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Tyfyb Perfect Circle Valve Seal
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Gsc Power Division Perfect Circle Valve Seal
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Mahle Original Perfect Circle Valve Seal
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Mahle Original Perfect Circle Valve Seal
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Cns Engine Parts Perfect Circle Valve Seal

Cns Engine Parts Perfect Circle Valve Seal
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Next on the list, we've got yet another seal that manages to win our hearts. It's the Cns Engine Parts Perfect Circle Valve Seal and it's widely considered as one of the most convenient seals you can buy. Make sure this fits by entering your model number. Moreover, the seal fits well and it is great for good quality. In conclusion, with a 4.7 rating and more than 832 buyers, the cns engine parts perfect circle valve seal stands as the best choice.

Most customers opine that the seal is perfect for 5.3 ls heads. In addition, a few say that the seal can be used on 5.3 ls heads. In conclusion, most buyers agree that the seal is functionally comfortable and no one questions it.

Why We Like This:
  • Includes : 16 valve stem seals.
  • Lot of satisfied buyers.

Felpro Perfect Circle Valve Seal

Felpro Perfect Circle Valve Seal
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Felpro line of seal comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Felpro Perfect Circle Valve Seal well comes with an installation aid and it is perfect for great quality. Installation tools included to protect the inner lip of the seal from damage during seal installation. Also, it comes with repeated exposure to heat and oil, the valve stem seals can fail.

Most importantly, the felpro perfect circle valve seal is a thin plastic sleeve which is placed over the tip of each valve stem during installation.

Most customers found that the seal can be changed without removing the heads. And, a few strongly agree that the seal can be used on the l77 engine.

Top Customer Quotes:
  • This works well for the right type and it is available for domestic.
  • There are three basic stem seal designs.
  • This is for later model ls engines.
  • Coverage -- available for domestic and foreign nameplate vehicles.

Comp Cams Perfect Circle Valve Seal

Comp Cams Perfect Circle Valve Seal
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Comp Cams line of seal come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The comp cam 's perfect circlevalve seal makes for better clearance and it can be trusted for good quality. Make sure this fits by entering your model number. In addition, this is fitment and it allows for easy install.

The seal fits engines w/ 0.530" od valve guides and 11/32" valve stems. In addition, the seal is made from viton, These seals are a great performance upgrade from factory o-ring style seals. Lastly, the comp cam perfect circle valveseal is designed for good performance.

Almost all buyers opine that the seal is designed for 11/32" valve stems and cylinder heads with a 0.530" outside diameter valve guide. Moreover, they say that the seal will fit an aftermarket head for a 454. Further, a few strongly agree that the outer diameter of this seal is 0.575 ", so make sure this clears the inside diameter of your valve springs. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • If this fits these specs, then you're good.
  • This is made for high performance and it works great.
  • One of the newcomers and featured product.

Comp Cams Umbrella Seal

Comp Cams Umbrella Seal
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For a low asking price, Comp Cams Umbrella Seal has managed to overwhelm their customers by packing as many features as they could. The comp cams umbrella seal is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don't forget the valve seals. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides.

The seal offers a complete line of valve stem seals, from the umbrella seals to the positive-stop seal. Lastly, the comp cams umbrella seal is normally used when a larger-than-stock diameter spring is used, In the case of a double spring, the positive-stop seal is used.

One customer says - "These may not work on your head unless you have the valve guide boses machined. ". Most customers find that the seal works well and they last a long time.

Why We Like This:
  • Work with .530 inch guides and 11/32 inch valve stem diameter.
  • Several different types of valve seals are offered.
  • Lot of satisfied buyers.

Felpro Valve Stem Seal

Felpro Valve Stem Seal
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The Felpro Valve Stem Seal is satisfactory and appropriate and fits well with your daily purpose. The felpro valve stem seal works well for the right type and it is available for domestic.s. Each valve stem seal features materials based on the specific application for your vehicle repair. Also, this becomes hard or worn and can no longer properly control the amount of oil going down the valve guide.

Most importantly, the felpro valve stem seal is a thin plastic sleeve which is placed over the tip of each valve stem during installation.

Most customers opine that the seal comes with 16 valve stem seals and 2 plastic tubes that go over the valve stem to protect the seal when installing the seals. Overall, for most customers, the seal was what they were looking for.

Why We Like This:
  • There are three basic stem seal designs.
  • Coverage -- available for domestic and foreign nameplate vehicles.
  • Installation tools included to protect the inner lip of the seal from damage during seal installation.
  • This comes with repeated exposure to heat and oil, the valve stem seals can fail.

Tyfyb Perfect Circle Valve Seal

Tyfyb Perfect Circle Valve Seal
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The Tyfyb Perfect Circle Valve Seal is satisfactory and appropriate and fits well with your daily use. Also, it is made from high quality viton material, ensures long - lasting durability. Make sure this fits by entering your model number. Most importantly, the tyfyb perfectcircle valve seals are 11/32" stem x .500" diameter, will fit most of the aftermarket cylinder heads that use 11/32" valve stems.

Why We Like This:
  • Engineered and tested to exceed original equipment standards and performance.
  • Good brand reputation.

Tyfyb Perfect Circle Valve Seal

Tyfyb Perfect Circle Valve Seal
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The Tyfyb Perfect Circle Valve Seal's superior materials makes sure that it ages well with use. Make sure this fits by entering your model number. In addition, the seal is made from high quality viton material, ensures long - lasting durability. The seal is easy to maintain and use.

Why We Like This:
  • Engineered and tested to exceed original equipment standards and performance.
  • New and hot releases.

Gsc Power Division Perfect Circle Valve Seal

Gsc Power Division Perfect Circle Valve Seal
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Compared with other seals in this category, the Gsc Power Division Perfect Circle Valve Seal has a convenient design. The best part: gsc power division perfect circlevalve seal costs comparatively low and it is available to ship in 24 hours. In addition, the seal is compatible with toyota 1jz / 2jz. To sum up, with a 4.7 rating and more than 160 buyers, the gsc power division perfectcircle valveseal stands as the best choice.

Most customers agree that the seal comes in a zip - locked bag. And, they also found that the seal can be used on either hand. Overall, for most customers, Gsc Power Division product was just what they wanted.

Why We Like This:
  • New and hot releases.
  • Lot of satisfied buyers.

Mahle Original Perfect Circle Valve Seal

Mahle Original Perfect Circle Valve Seal
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Not everyone likes to purchase a seal for their regular usage, but the Mahle Original Perfect Circle Valve Seal would be an anomoly. Manufacturer says: Mahle original gaskets utilize equivalent or better materials in all our gaskets. In addition, the seal is the leader in domestic, Asian and European applications. The seal is easy to maintain and gels well with your daily use.

In conclusion, buyers found this to be one of the best seals for daily purposes.

Why We Like This:
  • Mahle original gaskets utilize equivalent or better materials in all our gaskets.
  • Good investment for the long term.

Mahle Original Perfect Circle Valve Seal

Mahle Original Perfect Circle Valve Seal
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Mahle Original has been making great seals for years, thanks to a combination of clever design and appropriate materials. The contents of many original gaskets are packaged in a shrink - wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package. Also, the seal is the leader in domestic, Asian and European applications. When it comes to searching for a reliable seal, the Mahle original perfect circle valve seal is definitely your first choice.

Why We Like This:
  • Delivers what they promise.
  • One of the newcomers and featured product.