‘A’ Series Engine – Inlet / Exhaust Manifold Washer Thick Type
The Inlet / Exhaust manifold should be secured to the Cylinder Head with brass nuts and these very thick washers. These washers are required as they not only spread the clamping load but the thickness allows them to absorb the heat without deforming.
Takes 4 per car. 1″ wide for 5/16″studs.