Pioneer Cables PE-104-B Engine Expansion Plug Kit

Engine Expansion Plug Kit for Classic GM Applications

Pioneer Cables PE-104-B is an engine expansion plug kit built for cylinder block service on a wide range of classic Chevrolet, GMC, Pontiac, Oldsmobile, and Buick vehicles. This brass version is suited for restorations and rebuilds where corrosion resistance and a reliable block seal matter.

Key Features

• Brass expansion plug construction for strong corrosion resistance
• Engine cylinder block component for sealing coolant passages
• Part number PE-104-B for easy ordering and identification
• Compatible with many 1963-1989 Chevrolet and GMC truck and car applications
• Useful for engine rebuilds, restoration work, and cooling system service

Detailed Description

Pioneer Cables PE-104-B is part of the brand’s expansion plug program, which includes brass, steel, stainless steel, and threaded styles for different engine service needs. This brass plug kit is a practical choice when the application calls for solid brass construction and dependable resistance to corrosion inside the engine block. It is commonly selected for Chevrolet C10, C20, Camaro, Impala, Nova, and GMC Jimmy applications, along with many other GM platforms from the 1960s through the 1980s. If you are searching for PE-104-B expansion plugs for a Chevrolet C10 or GMC Jimmy engine rebuild, this part matches those fitment needs directly.

What It Helps Fix

• Coolant leaks from worn or corroded block expansion plugs
• Seepage found during engine teardown or rebuild
• Replacement needs on aging Chevrolet and GMC cylinder blocks
• Restoration work on classic GM cars and trucks
• Service issues caused by deteriorated original freeze plugs

Installation Notes and Tips

Install the plugs during engine assembly or when the cooling system is drained and the block is accessible. Clean the bore thoroughly before installation so the plug seats evenly and seals correctly. Verify the application by year, make, and model before ordering, since PE-104-B covers many GM vehicles across multiple platforms.

Quality Assurance

Pioneer Cables supplies expansion plugs in multiple materials for engine rebuilders, with brass selected here for corrosion resistance in the specified applications. Part number PE-104-B is identified for the fitments listed above.