Mopar Chrysler BB 383 440 Freeze Plug Kit the blue anodized aluminum construction

the blue anodized aluminum construction delivers performance and a show car quality appearance

including stock engines

leading to valve seat damage and early valve grind

The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold

chrome plated for a shiny finish

Mopar Chrysler BB 383 440 Freeze Plug Kit the blue anodized aluminum constructionSpeedmaster freeze plugs will not rot out, like lower cost steel ones. Your new engine assembly deserves the best. Don't get stuck trying to replace a leaking steel freeze plug behind a motor mount a year or two from now! These kits include all of the necessary external block freeze plugs, and cam and oil galley plugs for one complete engine.