Pioneer Cables PE-115-R Engine Expansion Plug Kit

Engine Expansion Plug Kit for Pontiac and Oldsmobile

Pioneer Cables PE-115-R is an engine expansion plug kit for cylinder block service and engine rebuild work. It is built for applications that call for a steel expansion plug with zinc plating for added corrosion resistance, making it a practical choice for Pontiac and Oldsmobile engine maintenance.

Key Features

• Steel construction with fine-grained, cold-rolled material for strength
• Zinc plated finish for corrosion resistance
• Engine expansion plug kit for cylinder block components
• Designed for rebuild and repair service on select Pontiac and Oldsmobile applications
• Pioneer Cables part number PE-115-R

Product Details

The PE-115-R expansion plug kit is part of Pioneer Cables’ engine sealing program, which includes steel, brass, stainless steel, and threaded plug options. This steel version is intended for applications where a durable plug with corrosion protection is required. It is a direct-fit service part for a wide range of classic Pontiac models, including Firebird, Bonneville, Catalina, Grand Prix, LeMans, Tempest, and GTO, along with select Oldsmobile 98, Custom Cruiser, and Delta 88 applications. If you are rebuilding a Pontiac GTO engine or servicing a Pontiac Firebird cylinder block, PE-115-R provides the correct style of expansion plug for the job.

Vehicle Fitment

• Fits 1967-1979 Pontiac Firebird, N/A
• Fits 1959-1978 Pontiac Bonneville, N/A
• Fits 1959-1978 Pontiac Catalina, N/A
• Fits 1975-1977 Pontiac Grand LeMans, N/A
• Fits 1962-1977 Pontiac Grand Prix, N/A
• Fits 1976-1977 Pontiac Laurentian, N/A
• Fits 1963-1977 Pontiac LeMans, N/A
• Fits 1976-1977 Pontiac Parisienne, N/A
• Fits 1975 Oldsmobile 98, N/A
• Fits 1975 Oldsmobile Custom Cruiser, N/A
• Fits 1975 Oldsmobile Delta 88, N/A
• Fits 1973-1975 Pontiac Grand Am, N/A
• Fits 1964-1973 Pontiac GTO, N/A
• Fits 1963-1970 Pontiac Tempest, N/A
• Fits 1961 Pontiac Tempest, N/A

Common Repair Uses

• Replacing worn or corroded engine expansion plugs during rebuilds
• Restoring cylinder block sealing on classic Pontiac engines
• Addressing coolant leakage caused by deteriorated plugs
• Servicing engine blocks that require steel plug construction
• Supporting maintenance on vintage Oldsmobile and Pontiac platforms

Installation Notes and Tips

Clean the block bore thoroughly before installation and inspect the sealing surface for pitting or damage. Verify the plug style and diameter against the engine block specification before pressing the plug into place. For best results, follow the engine builder’s installation procedure and use the correct seating method to ensure a proper seal.

Quality Assurance

Pioneer Cables supplies expansion plugs in multiple materials for engine rebuild applications, including steel, stainless steel, brass, and threaded designs. PE-115-R uses steel construction with zinc plating to support long-term service in the specified Pontiac and Oldsmobile applications.