Spool Twin Cam Cylinder Head Oil Drain - RB20 RB25 RB26
Spool Twin Cam Cylinder Head Oil Drain - RB20 RB25 RB26

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Spool Twin Cam Cylinder Head Oil Drain - RB20 RB25 RB26


Spool's Oil Drain fitting is designed to help reduce excessive oil build up in the cylinder head of Nissan RB Twin Cam series engines (RB20/RB25/RB26/RB30DET). This is a common problem experienced on the drag strip and occasionally on the street. 

This kit helps drain the oil back to the sump instead of building up in the head where it often ends up being forced out of tappet cover breathers and catch cans. 

This Oil Drain fits in the back of the cylinder head. (where the OEM Welch plug resides) 

The thinner SPOOL drain helps prevent fowling on the fire wall.

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Customer Reviews

Based on 7 reviews
Spool Twin Cam Cylinder Head Oil Drain - RB20 RB25 RB26

Very easy to install if you know how to tap a hole and position things. Looks great and looking forward to having it functioning once i get the car started.

Paul Baker
Drifty parts.

Ol’ RB came through for me and made sure I was taken care of! They went above and beyond. I’m fittin to go fast af, thanks to Raw Brokerage! 👍🏼👍🏼

jeffrey lohnes
Great Product

Great quality product so long as it is installed properly. Very thought to find the proper firing as it is not standard tapered AN. Got it to work with a -8AN straight fitting sealed with a o-ring and pipe dope.

Taylor Calvert

Nothing was damaged cant wait to install it

Spool head drain

Nicely made and easy to install. Keep that oil where its needed!

About Raw Brokerage

Located in Orlando, Florida, Raw Brokerage was founded at the beginning of 2008. The company started out as an used Nissan RB engine parts website connecting enthusiast with hard to find parts in the United States. Since then Raw Brokerage has expanded into it's 4,500 square foot facility where it distributes thousands of new and used performance automotive parts, perform extensive car and engine builds specializing in the Nissan RB platform. We have accounts on over 300 brands and access to over 1,000,000 parts. Raw Brokerage focuses on it's 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 it's 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?

Our team is dedicated to more than just customer service, it's driven to provide customer success.  Just like you we are car enthusiast 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 have 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, process your order quickly and accurately. 

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





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 link below before purchase.