Enginetech PK48B Brass Engine Expansion Plug Kit for GM Chevrolet

The Enginetech PK48B is a brass engine expansion plug kit designed as a stock replacement for select GM and Chevrolet engines. Also commonly referred to as freeze plugs, expansion plugs serve a critical role in sealing coolant passages within the engine block and protecting it from damage caused by freezing coolant expanding under pressure.

Key Features:

• Brass construction — offers superior corrosion resistance and longevity compared to standard steel plugs
• Complete kit includes the plug sizes needed to fully seal the engine block in a single purchase
• Engineered to meet or exceed OEM specifications for a reliable, leak-free fit
• Designed for GM and Chevrolet engine applications
• Compatible with cup-type freeze plug bores found on applicable engine blocks

Enginetech's expansion plug kits are a trusted choice for engine rebuilders and professional mechanics. The brass material resists the corrosion that commonly affects steel plugs over time, making the PK48B an ideal upgrade during any engine rebuild or overhaul on compatible GM Chevrolet platforms.