BCBC VS-2488 Engine Valve Spring

Engine Valve Spring Overview

The Melling VS-2488 is a standard replacement engine valve spring built for stock applications that need consistent valve control. It is made from corrosion-resistant steel and uses a single-spring design with defined installed and open pressure values for predictable operation.

Key Features

• Standard replacement valve spring for engine valvetrain service
• Single-spring construction for straightforward application use
• Corrosion-resistant steel material for durability in engine environments
• Installed height of 1.88 in. and open height of 1.31 in.
• Installed pressure of 104 lb. and open pressure of 315 lb.
• Inside diameter of 0.642 in. and outside diameter of 1.224 in.

Detailed Description

The Melling VS-2488 valve spring is intended for stock and standard replacement use where controlled spring pressure matters. Its published dimensions and pressure ratings help match valvetrain requirements during service or rebuild work. This part cross-references GM applications such as 12678635 and 12691120 for the same application. The VS-2488 is listed for a wide range of Cadillac, Chevrolet, and GMC engines, including Cadillac CT5, Chevrolet Corvette, Chevrolet Silverado 1500, and GMC Sierra 1500 applications.

Common Uses

• Replacing a worn or weak valve spring
• Restoring proper valve control in the valvetrain
• Addressing spring fatigue that can affect engine operation
• Matching stock-style spring specifications during engine service
• Supporting rebuilds that require standard replacement hardware

Installation Notes and Tips

Verify installed height, coil bind height, and pressure requirements before installation. Confirm the spring dimensions against the cylinder head and valvetrain specifications for the exact application. The VS-2488 is used across multiple Cadillac, Chevrolet, and GMC models, so fitment should be matched to the engine build and stock configuration listed for the vehicle.

Quality Assurance

Melling offers valve springs across standard, mid-range, heavy-duty, and race-ready applications, with designs that include standard, dual, and beehive styles. The VS-2488 follows that product range as a standard replacement spring with published performance specifications.