BCBC V3173 Engine Exhaust Valve

Engine Exhaust Valve Overview

The Melling V3173 is a standard replacement engine exhaust valve built for precise sealing and dependable exhaust flow. It uses stainless steel construction, a coated finish, and heat-resistant materials to support long service life in demanding valve train applications.

Key Features

• Stainless steel exhaust valve construction for durability and heat resistance
• Standard replacement design for OEM-style service work
• 45-degree seat angle for proper valve seating
• 1.181 in. valve head diameter and 0.216 in. stem diameter
• 109.0 mm overall length for specified engine applications
• Coated finish for added surface protection

Detailed Description

Melling V3173 is engineered for engine rebuilds and valve train service where accurate dimensions and consistent sealing matter. The stainless steel valve body, single lock groove, and standard replacement grade make it a practical choice for restoring exhaust valve function in Honda and Acura applications, including the Honda Civic, Honda CR-V, Honda Accord, Acura RSX, and Honda Element. This part number, V3173, is listed for stock-style applications and cross-references Carlson 13173 and DNJ EV216 for the same application.

What It Helps Address

• Exhaust valve leakage from worn or damaged valve faces
• Loss of compression caused by poor valve sealing
• Heat-related valve wear in high-temperature exhaust service
• Rough engine operation tied to valve train wear
• Restoration needs during cylinder head repair or rebuild work

Installation Notes and Tips

Verify valve head diameter, stem diameter, length, and seat angle against the original component before installation. This exhaust valve is listed for stock applications, so confirm cylinder head compatibility and follow standard valve train service procedures during assembly. The V3173 should be matched to the correct engine specification before final fitment.

Quality Assurance

Melling uses precision manufacturing and material selection to meet the specifications required for durable valve train performance. The V3173 is built with high fatigue strength materials and heat resistance for dependable service in OEM and performance-oriented applications.