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Nubis Valve Stem Seal Kit for Nissan RB25 RB20

Original price $40.00 - Original price $40.00
Original price $40.00
$40.00 - $40.00
Current price $40.00

Looking to upgrade the valve stem seals in your Nissan RB20 or RB25 engine? Look no further than the Nubis Valve Stem Seal Kit! With 12 exhaust seals and 12 intake seals included, this kit is a complete replacement for worn-out and ineffective OEM seals.

The Nubis Valve Stem Seal Kit is designed to provide a superior seal between the valve stem and guide, ensuring maximum performance and reliability. These seals are considered an upgrade from the OEM seals and are a direct replacement, making installation quick and easy. The kit is suitable for both stock setups and high horsepower builds, giving you the flexibility to customize your engine's performance.

Whether you're a performance enthusiast or just looking to improve the reliability of your engine, the Nubis Valve Stem Seal Kit is a great choice. Made from high-quality materials, this kit is built to last and can withstand the demands of any engine. Additionally, it is compatible with both stock and aftermarket replacement 6mm stem valves, making it a versatile option for any RB20 or RB25 engine owner.

Include this kit in your next build and experience improved performance and reliability in your Nissan RB20DET or RB25DET engine (as well RB25 NEO). Order yours today and enjoy the peace of mind that comes with a high-quality, direct replacement upgrade.


  • 12 Exhaust Seals
  • 12 Intake Seals
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About Raw Brokerage

About Raw Brokerage

Founded at the beginning of 2008 in Orlando, Florida, Raw Brokerage now has coast to coast presence in Fresno, California. The company started out as a used Nissan RB engine parts website connecting enthusiasts with hard-to-find parts in the United States. Since then Raw Brokerage has expanded into two locations where it distributes thousands of new and used performance automotive parts and performs extensive car and engine builds specializing in the Nissan Skyline platform. We have accounts on over 300 brands and access to over 1,000,000 parts. Raw Brokerage focuses on its core values of integrity, value, and service. This allows our team to ensure top-level customer satisfaction that you can rely on. Regardless of motorsport, we are here to assist in getting your car to perform to its highest potential. So shop with confidence with us when looking for your next body kit, engine block, turbo, or other performance parts.

What does that mean for you?

What does that mean for you?

Our team is dedicated to more than just customer service, we are driven to provide customer success. Just like you, we are car enthusiasts looking to enjoy the process of the build, the satisfaction of the improvements, and the success at the track.

With over a decade operating in the performance automotive industry, our team has been there, broke that part, compared the alternatives, and has been part of countless projects.

Just like our cars and yours, we're a company focused on always improving. We seek to provide quality information and process your order quickly and accurately.

This is the reason why countless car owners return each day to Raw Brokerage for their aftermarket performance parts needs.

Customer Reviews

Based on 2 reviews
orlando quandt (Amsterdam, NL)
Good customer support

The best customer support. Good communication from staff

Raekwon Martin (Chicopee, US)
Nubis Valve Stem s Seal

The product is a perfect fit and better than OEM. I have it installed with supertech valve springs and retainers. Machine shop had no easy and was also a easy install with no issue. Price of these are perfect.

Warning: Cancer and Reproductive Harm

As per California's Prop65 Laws, we are REQUIRED to warn you that the products we sell will put you near a vehicle, which emits dangerous chemicals or worse. Please review the following link before purchasing.