Apex Gaskets AMS3713 Lifter Valley Cover Gasket Set for GM LS Engines

The Apex Gaskets AMS3713 is a lifter valley cover gasket set designed for GM Gen III LS-series V8 engines. This essential sealing component creates an air-tight seal between the engine block and the valley cover, preventing oil leaks in the lifter valley area and maintaining proper crankcase integrity.

Key Features:

• Application-specific design for GM LS engines including LS1, LS6, and related variants
• Precision-engineered to provide a reliable seal on the engine block valley cover mounting surface
• Helps prevent common oil seepage and leakage issues in the valley area
• Quality aftermarket replacement gasket set from Apex Gaskets
• Ideal for engine rebuilds, maintenance, or performance applications

This valley cover gasket set is commonly used during intake manifold removal, engine rebuilds, or when addressing oil leaks. The gasket ensures proper sealing between the valley cover (also known as valley pan) and the engine block, which is critical for maintaining engine performance and preventing oil contamination. Compatible with a wide range of GM LS-powered vehicles from the late 1990s through mid-2000s.