9810BP Mr Gasket BREATHER PUSH ON FLAT BLK

BREATHER PUSH ON FLAT BLK flat black; push-on breather; valve cover breather; small block Chevy; Chevrolet; black chrome; black matte; 6421868; Mr. Gasket Push-On Breather - Flat Black Fits 1.22 Inch Diameter Valve Cover Holes. Replaces GM Breather 6421868 On Late 65-67 GM Big Block. This chrome plated breather, or oil filler cap, is internally baffled with filter. Very similar to the original equipment breather used on 1965-1967 Chevrolet 396-427 Big Blocks. GM (General Motors) #6421868. Fits valve cover openings with 1.22 inch diameter. Its overall dimensions are 2-1/8 inch tall and 2-1/2 inch in diameter.