The Protorque 7/8" Welch Plug Brass Cup (RBC078) is designed to provide dependable sealing performance in automotive engine and cooling system applications. Featuring a durable cup-style design, this welch plug helps seal engine block core holes to prevent coolant leaks and maintain cooling system integrity.

Constructed from high-quality brass, it offers superior resistance to corrosion and harsh operating conditions, making it ideal for engine rebuilds, repairs, and maintenance work. Precision manufactured for accurate fitment, the Protorque Welch Plug delivers reliable performance and long service life in demanding automotive environments.

Note: Sold per piece.

Part number: RBC078