Protorque Welch Plug 22mm Brass Cup

The Protorque RBC22MM is a premium quality welch plug (also known as a freeze plug, core plug, or expansion plug) designed to seal casting holes in engine blocks and cylinder heads. Manufactured from high-grade brass, this 22mm cup-type welch plug offers superior performance and longevity.

Key Features

Material: High-quality brass construction
Size: 22mm diameter cup type design
Corrosion Resistance: Brass material provides excellent anti-corrosion properties
Durability: Superior tensile strength ensures long-lasting performance
Professional Grade: Suitable for both street and performance applications

Technical Specifications

Type: Cup-style welch plug
Diameter: 22mm
Material: Brass
Installation: Press-fit design for secure sealing

Benefits

Brass construction eliminates rust concerns compared to steel alternatives
Cup design provides excellent sealing characteristics
Professional-grade quality suitable for engine rebuilds
Long-lasting performance that often outlasts the engine itself
Easy installation with proper tools and technique

This welch plug is designed to fill and seal holes left by the casting process in engine manufacturing, providing a reliable water-tight seal in cooling system passages.