Enginetech PK21B Brass Expansion Plug Kit for GM Cadillac Engines

The Enginetech PK21B is a comprehensive brass expansion plug kit designed specifically for select General Motors Cadillac engines from 1968 to 1984. This complete kit provides all the freeze plugs needed for engine block and cylinder head service during rebuilds or repair work.

Key Features:

• Precision-engineered brass construction for superior corrosion resistance and durability
• Complete plug set for Cadillac V8 engines from the classic era
• OEM-quality fitment ensures proper sealing and long service life
• Includes multiple sizes to cover all expansion plug locations in the block and heads
• Essential component for professional engine rebuilds and overhauls

Brass expansion plugs offer excellent heat dissipation and are less prone to rust-through compared to steel alternatives. This kit eliminates the need to source individual freeze plugs, providing all necessary components in one convenient package for complete engine sealing during your Cadillac rebuild project.