Description
Replaces original equipment GM (General Motors) breather #6421868 on 1965-1967 GM (General Motors) big block engines. Internally baffled with filter
Fits valve cover openings with 1.22˝ dia.
Replaces OEM - GM breather #6421868 on 1965-67 GM Big Blocks
2-1/8˝ tall x 2-1/2˝ dia.