BCBC VS-2239 Engine Valve Spring

Engine Valve Spring Overview

The Melling VS-2239 is a standard replacement engine valve spring built for stock and performance applications. It uses corrosion-resistant steel and a single-spring design to deliver consistent valve control across a wide range of Ford and Mazda applications.

Compatible with Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Mustang, Mazda B4000, and Mercury Mountaineer applications, this valve spring is specified for engines that need stable installed and open pressure. The VS-2239 is part of Melling's Stock line, which covers standard, mid-range, heavy-duty, and race-ready valve spring needs.

Key Features

• Corrosion-resistant steel construction for durable service.
• Single-spring design for standard replacement use.
• Installed height: 1.437 in. (36.0 mm).
• Installed pressure: 71.0 lb.
• Open pressure: 226.0 lb at 0.905 in. (23.0 mm) open height.
• Inside diameter: 0.832 in. (21.0 mm); outside diameter: 1.162 in. (30.0 mm).

Detailed Description

The Melling VS-2239 valve spring is engineered as a standard replacement part for engines that require controlled valve motion and consistent spring pressure. Its corrosion-resistant steel construction and single-spring layout make it a practical choice for stock rebuilds and maintenance work. This part number, VS-2239, is listed across multiple Ford and Mazda applications, including Ranger, Explorer, Explorer Sport Trac, Mustang, B4000, and Mountaineer fitments.

Melling's Stock product line includes valve springs for standard, mid-range, heavy-duty, and race-ready use, with options that span different wire sizes, materials, and spring pressures. The VS-2239 reflects that range with defined installed height and pressure specifications for applications that need a direct replacement valve spring. This part cross-references Monroe Shocks & Struts (e.g., 32-2302, RV-2302) for the same application.

Common Uses

• Restoring proper valve spring tension during engine service.
• Replacing worn or fatigued springs that affect valve control.
• Addressing inconsistent valve operation caused by pressure loss.
• Supporting stock engine rebuilds that require OE-style spring specifications.

Installation Notes

Verify installed height, open height, and spring pressure against the engine's service specifications before installation. Confirm valve train clearance and spring dimensions during assembly, especially when reusing retainers, seals, or related components. Use the exact part number VS-2239 to match the required application and specification set.

Quality Assurance

Melling offers a broad valve spring range that spans standard replacement through race-ready applications, and the VS-2239 is built to those published dimensional and pressure specifications.