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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.
Mr. Gasket Push-On Breather - Flat Black - 9810BP
$12.03
Product Specifications:
- Product Details: Fits 1.22 Inch Diameter Valve Cover Holes. Replaces GM Breather 6421868 On Late 65-67 GM Big Block.
- Finish: Black
- Part Type: Engine Crankcase Breather Cap
- Product Type: Valve Cover Breather
- Weight: 0.13