OurAngled Billet Aluminum Water Filler Necksare CNC machined with a -12AN female straight o-ring port in the front. This allows you to choose the size fitting for your application. Fittings are sold separately for this reason. -16, -12, -10 and -08 AN fittings are available along with radiator hose type fittings.
Angled Water Filler Necks are specifically designed for Dragsters and Race Cars both, providing a higher fill point than the radiator and providing clearance for dual carburator applications and hood scoops.
The billet aluminum expansion tank and base plate have been professionally polished for a show car look.
Our Billet one-piece designed top expansion tank 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, stainless mounting bolts and gasket also provided.
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.