BCBC VSR-703 Engine Valve Spring Retainer

Engine Valve Spring Retainer Overview

The Melling VSR-703 is a steel engine valve spring retainer made for stock replacement applications. It is engineered to maintain the valve spring geometry needed for consistent valvetrain operation and is manufactured in the USA.

Key Features

• Steel construction for standard replacement use
• Made to meet or exceed OEM requirements for the application
• Outside clip design
• Inside diameter: 0.515 in. (13.00 mm)
• Thickness: 0.348 in. (9.00 mm)
• Outside diameter: 0.877 in. (22.00 mm)

Detailed Description

This engine valve spring retainer is intended for Ford, Lincoln, and Mercury applications that use the listed stock valvetrain setup. The VSR-703 supports proper spring location and retainer geometry, which is important for stable valve train performance in compatible Ford F-150, Mustang, E-Series, and related engines. Melling builds this retainer with quality materials and to OEM-level requirements for the specified applications. Part number VSR-703 is also referenced by F6AZ-6514-AC and F6LE-6514-AC for the same application.

What It Is Used For

• Replacing a worn or damaged valve spring retainer
• Restoring correct valve spring geometry
• Addressing valvetrain instability caused by retainer wear
• Supporting proper valve control in stock engine assemblies

Installation Notes and Tips

Use this retainer only with the applications listed in the fitment data. Melling recommends installing new retainers when servicing reclaimed or new engine valves. Verify valve spring, retainer, and clip compatibility before assembly, and confirm the outside clip style matches the engine setup.

Quality Assurance

Melling manufactures this part in the USA and states that it is engineered to meet or exceed OEM requirements for each application. The VSR-703 is a standard replacement component for the specified fitments.