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      What is the diameter of the breather hole on VC3003?

      Product Description: Chevrolet "454" Big Block 3" Tall Smooth Orange Powder Coated Aluminum Finned Valve Covers

      Breather hole:

      • 1.22" diameter
      • Note: Will fit most roller rockers, but 1" aluminum spacers are available separately, part # VCS3003
      • Made in USA!

      VC3003

      For more information, follow the link: Chevrolet "454" Big Block 3" Tall Smooth Orange Powder Coated Aluminum Finned Valve Covers