water filler neck matte black billet aluminum
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Billet Water Filler Necks by Drag Race Solutions

Our Matte Black Billet Aluminum Water Filler Necks are machined with a -16AN female straight o-ring port in the front.  This allows for use of the size fitting of choice for your application.  Fittings are sold separately for this reason. -20, -16, -12, -10 and -08 fittings available.

This straight up design fetures and overall height of 4.75 inches.

The Black finish has been tumble polished first and then professionally powder coated with a black satin finish.

Racers ourselves, We spent a tremendous amount of time making sure of the fit for the radiator cap, insuring the pressue seal and locking mechanism work as well as possible for extreme racing conditions.

Our Billet one-piece designed top expansion portion is unique to the industry and bolts to the base plate with an o-ring seal by 4 provided stainless steel cap screws.  1/4" push lock overflow fitting also provided.


  • Item #: 3300-002B

Water Filler Necks - Black Billet Aluminum

Price: $219.99
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