Edelbrock Oil Fill Tube - GM Style RS004C1908 They utilize dual O-ring seals

They utilize dual O-ring seals

Spring Rubber

Does not fit 2 wheel drive pickup or Suburban model

6061 Lightweight Bare Aluminum

Edelbrock Oil Fill Tube - GM Style RS004C1908 They utilize dual O-ring sealsOil Fill Tube and matching push in Breather is an original style for vintage manifolds with a 1 1 4in. oil breather hole. Filler Tube 4803, Edelbrock, Oil Fill Tube, GM, Chevy, SBC, BBC, Chrome, Breather, Push in BreatherSince 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake Manifold, Edelbrock Aluminum Cylinder Heads and Edelbrock Water Pumps have become the industry