BCBC V1245 Engine Exhaust Valve

Engine Exhaust Valve for Pontiac and Oldsmobile

Melling V1245 is a standard replacement engine exhaust valve built for stock applications that require precise valve train dimensions and dependable heat resistance. It is engineered for select Pontiac and Oldsmobile engines from 1973-1979, including Pontiac Firebird, Bonneville, Catalina, Grand Prix, and LeMans applications.

Key Features

• Steel construction for strength and durability in exhaust service.
• Coated finish for added surface protection.
• Standard replacement grade for stock engine rebuilds.
• 44-degree seat angle for proper valve seating.
• 42.0 mm valve head diameter and 9.0 mm stem diameter.
• 126.0 mm overall length with two lock grooves.

Detailed Description

The Melling V1245 exhaust valve is designed for engines that need accurate fitment and consistent sealing under high-temperature exhaust conditions. Its steel construction, coated finish, and heat-resistant design support durable operation in stock rebuilds and restoration work. This part number, V1245, is listed for a wide range of Pontiac models and select Oldsmobile applications, making it a practical choice when replacing a worn exhaust valve in a compatible engine. This part cross-references Standard Ignition S2868 for the same application.

What It Is Used For

• Replacing a worn or heat-damaged exhaust valve.
• Restoring proper exhaust sealing during an engine rebuild.
• Correcting valve train wear that affects compression and performance.
• Servicing stock Pontiac and Oldsmobile engine applications.
• Matching original-style valve dimensions in rebuild work.

Installation Notes and Tips

Verify valve head diameter, stem diameter, seat angle, and overall length before installation. Confirm engine code notes in the fitment data, including YD-only and except YJ/YW applications where listed. Professional cylinder head service is recommended to ensure proper seat contact and valve guide condition. Use the part number V1245 to confirm the correct exhaust valve before assembly.

Quality Assurance

Melling uses precision manufacturing and selected alloy materials to produce exhaust valves with high fatigue strength and strong heat resistance. The V1245 is built to meet the specifications required for durable engine service.