We consider a k20 valve seal to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Felpro K20 Valve Seal READ REVIEW

Best For Easy Install: Buy: Comp Cams K20 Valve Seal READ REVIEW

Best Umbrella Type: Buy: Felpro Valve Stem Seal READ REVIEW

Best For Great Price: Buy: Comp Cams Umbrella Seal READ REVIEW

Best For Fit: Buy: Aramox K20 Valve Seal READ REVIEW

Best Overall: Felpro K20 Valve Seal

Buy on Amazon

Not everyone likes to purchase a seal for their daily usage, but the Felpro K20 Valve Seal would be an anomoly. The felpro k20 valve seal is designed for a great price and it is great for good quality. Make sure this fits by entering your model number. And, it becomes hard or worn and can no longer properly control the amount of oil going down the valve guide.

Lastly, the felpro k20 valveseal works well for the right type and it is perfect for great quality.

Almost all buyers found that the seal could be used on the l77 engine. And, they strongly agree that the seal is for later model engines. Overall, most buyers agree that the seal suits them best, and no one questions it.

• They have metal bases, The pictures show both types.
• Installation tools included to protect the inner lip of the seal from damage during seal installation.
• This is great, comes with installation aid and it is available for domestic.
• This can be changed without removing the head.

Best For Easy Install: Comp Cams K20 Valve Seal

Buy on Amazon

The Comp Cams K20 Valve Seal is specially designed for your regular usage and has all useful features. The comp cams k20valve seal is designed for good performance. Make sure this fits by entering your model number. Further, it is great for high performance and it allows for easy install.

Most importantly, the comp cams k20 valveseal is made from viton, These seals are a great performance upgrade from factory o-ring style seals.

Almost all buyers quickly discovered that the seal would fit an aftermarket head for a 454. In addition, a few say that the seal is designed for 11/32" valve stems and cylinder heads with a 0.530" outside diameter valve guide. Moreover, a few strongly agree that if the seal fits these specs, then you're good. In conclusion, buyers found this to be one of the best seals for daily purposes.

• This fits engines w/ 0.530" od valve guides and 11/32" valve stems.
• Fits engines w/ 0.530" od valve guides and 11/32" valve stems.
• This is fitment and it works great.
• This is used for better clearance and it can be trusted for good quality.

Best Umbrella Type: Felpro Valve Stem Seal

Buy on Amazon

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 Valve Stem Seal can adjust the amount of oil that passes by the valve stem seal must be precisely controlled. Each valve stem seal features materials based on the specific application for your vehicle repair. In addition, this becomes hard or worn and can no longer properly control the amount of oil going down the valve guide.

The seal works well for the right type, comes with installation aid, It is good for good quality and has a great design. Above all, the felpro valve stem seal comes with repeated exposure to heat and oil, the valve stem seals can fail.

"These are only listed for SB engines. " - says, one customer. In conclusion, the tone of buyers is very positive and we believe that the seal suits the purpose.

• Coverage -- available for domestic and foreign nameplate vehicles.
• There are three basic stem seal designs.
• Installation tools included to protect the inner lip of the seal from damage during seal installation.

Best For Great Price: Comp Cams Umbrella Seal

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate seal. The Comp Cams Umbrella Seal is exactly that - it's a simple seal that hits all the right notes. The comp cams umbrella seal offers a complete line of valve stem seals, from the umbrella seals to the positive-stop seal. Make sure this fits by entering your model number. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides.

The 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. Above all, the comp cams umbrella seal is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter.

One customer says - "If you use the plastic sleeve that comes with the seals to install them, they are easy to install without taking them apart. ". Almost all buyers opine that the seal works well and they last a long time.

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

Best For Fit: Aramox K20 Valve Seal

Buy on Amazon

Best part: Aramox K20 Valve Seal costs comparatively low and it is available to ship in 24 hours. The aramox k20valve seal is fitment and it is built with exquisite craftsmanship. Make sure this fits by entering your model number. And, this has better abrasion resistance to ensure long-term durability.

The seal is suitable for fit for sbc and it allows for easy installation. Above all, the aramox k20 valve seal is suitable for after-sales cylinder heads using an 11/32in valve stem.

• This has excellent sealing, it is reliable to use and has a professional design.
• One of the newcomers and featured product.