BCBC V1811 Engine Exhaust Valve

Overview

Melling V1811 is a standard replacement engine exhaust valve built for stock applications that require precise valve train dimensions and durable heat resistance. It is a steel exhaust valve with a coated finish, engineered for dependable sealing and consistent operation in a wide range of GM applications.

Compatible with Chevrolet Impala, Chevrolet Malibu, Pontiac Grand Prix, and Buick Regal applications, this valve is specified for stock use across multiple model years. The V1811 part number is also referenced by several interchange numbers for the same application.

Key Features

• Steel exhaust valve construction for strength in high-temperature service
• Coated finish for added surface protection
• Standard replacement grade for stock engine builds
• 45-degree seat angle for proper valve seating geometry
• 1.425-inch valve head diameter and 0.313-inch stem diameter
• 120.0 mm overall length for specified fitment

Detailed Description

The Melling V1811 exhaust valve is designed around OE-style dimensions and material selection for engines that need accurate valve control and reliable exhaust flow. Its steel construction, heat-resistant design, and coated surface support long service life in demanding combustion environments. This part number, V1811, is used across a broad range of Chevrolet, Pontiac, Buick, and Oldsmobile stock applications, including Chevrolet Impala, Pontiac Grand Prix, and Buick Regal models.

Melling’s exhaust valve line focuses on precise manufacturing and material consistency, with selections available for OEM and performance-oriented vehicle applications. For buyers replacing a worn exhaust valve, V1811 provides the dimensional and material specifications needed for stock engine service.

What It Helps Address

• Burnt or worn exhaust valve surfaces
• Loss of compression from poor valve sealing
• Exhaust valve wear from heat and fatigue
• Valve train service needs during engine repair
• Stock replacement requirements for specified GM engines

Installation Notes and Tips

Verify valve head diameter, stem diameter, seat angle, and overall length before installation. This part is intended for stock applications listed in the fitment data, and the V1811 part number should be matched to the engine specification during service. Professional cylinder head inspection and proper valve seat preparation are recommended for best results.

Quality Assurance

Melling manufactures exhaust valves with precision engineering, superior-grade alloy selection, and advanced production processes to meet demanding engine specifications. The V1811 is built to deliver durable service in applications that require consistent heat resistance and fatigue strength.