Dorman 567-001 Brass Engine Block Expansion Plug Kit - 15 Expansion Plugs & 5 Pipe Plugs

The Dorman 567-001 Brass Expansion Plug Kit provides a comprehensive assortment of essential engine block plugs for GM vehicles. This kit contains 20 total pieces including 15 expansion plugs (freeze plugs) and 5 pipe plugs, all manufactured from durable brass material that resists corrosion and withstands extreme temperature cycling.

Key Features:

• Complete kit with 15 brass expansion plugs in various sizes for GM engine blocks
• Includes 5 additional brass pipe plugs for comprehensive coverage
• Premium brass construction offers superior durability and corrosion resistance compared to steel plugs
• Direct OE replacement design ensures proper fit and function
• Convenient kit format eliminates multiple trips to the parts store
• Backed by Dorman's limited lifetime warranty

Expansion plugs (also known as freeze plugs or core plugs) seal the core holes in engine blocks left from the casting process. Over time, these plugs can corrode or fail due to coolant exposure and temperature extremes. This comprehensive brass plug assortment is ideal for engine rebuilds, block repairs, or keeping as shop stock for maintenance work on GM vehicles.