Straight Billet Aluminum Water Filler Necks stand 4.75" tall and are machined with a -16AN 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. -20, -16, -12, -10 and -08 fittings available along with radiator hose style fittings.
Our Billet one-piece designed top expansion tank portion is unique to the industry and bolts to the base plate with an o-ring seal by 4 stainless steel cap screws. 1/4" push lock overflow fitting, gasket and stainless steel mounting bolts also provided.
Available in Raw Billet Aluminum, Satin Black Powder Coated and Polished.
Made in U.S.A.