Pioneer Automotive PE242R Engine Expansion Plug Kit

The Pioneer Automotive PE242R is a comprehensive engine expansion plug kit designed to provide everything needed for a complete engine core plug service or rebuild. Also known as freeze plugs or welsh plugs, expansion plugs seal the casting holes in engine blocks and cylinder heads, preventing coolant leaks and protecting internal engine components.

Key Features:

• Complete kit — includes all expansion plugs required for a full engine service
• Multiple material options — Pioneer's expansion plug program covers brass, steel, and stainless steel plug types
• Steel plugs — manufactured from high-quality, fine-grained, cold-rolled steel for long-lasting strength
• Zinc-plated finish — provides corrosion resistance for steel plug variants
• Stainless steel option — offers the structural benefits of steel with enhanced corrosion resistance where the application demands it
• Brass option — solid brass construction delivers the best corrosion resistance available
• Precision manufactured — engineered to meet or exceed OEM specifications for a reliable, leak-free seal

Pioneer Automotive Industries has been a trusted name in the automotive aftermarket since 1946, supplying high-quality engine and powertrain components to the repair and remanufacturing industries. The PE242R expansion plug kit is an ideal solution for engine rebuilds, head gasket replacements, and preventive maintenance requiring core plug replacement.