Overview Reviews Product Description Cometic Gasket C10164 Head Gasket - .040in. Thickness - 3.937in. Bore Cometic Gaskets C10164 Product Videos Custom Field Product Reviews Write a Review Write a Review × Cometic Gaskets Cometic Gasket C10164 Head Gasket - .040in. Thickness - 3.937in. Bore Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *