Speedmaster PCE269.1013 7 Degree 8mm Chromoly Valve Locks Keepers LS Engine

The Speedmaster PCE269.1013 chromoly valve locks keepers are precision-engineered components designed for LS engine valve train assemblies. These keepers feature a 7-degree angle geometry and 8mm diameter sizing, manufactured from chromoly steel to withstand the demanding conditions of high-performance and forced induction applications. Built to standard install height specifications, they are direct replacements for stock LS engine valve lock systems and maintain strict tolerances for reliable valve spring retention.

Chromoly construction provides superior strength and fatigue resistance compared to standard steel, making these valve locks keepers ideal for engine builders and performance enthusiasts working with LS powerplants. The 7-degree angle design is specifically matched to LS head geometry and valve stem configurations, ensuring proper seating and load distribution. Whether you're performing a complete valve train rebuild, upgrading to high-lift camshaft packages, or restoring an engine to factory specifications, these keepers deliver the durability and precision required for trouble-free long-term operation.

Key Features & Benefits

• Chromoly Steel Construction: Made from chromoly material for superior strength, fatigue resistance, and reliability under high-performance conditions.
• 7-Degree Angle Design: Geometry optimized for LS engine head and valve stem compatibility.
• 8mm Standard Size: Standard 8mm diameter for direct LS engine valve train applications.
• Standard Install Height: Manufactured to stock installation height specifications for drop-in compatibility.
• Precision Engineering: Built to strict tolerances to ensure consistent valve spring retention and proper load distribution.

Specifications

Ideal Applications

• LS engine valve train rebuild and assembly
• High-performance and forced induction engine builds
• Camshaft upgrade and valve train modifications
• Engine restoration and factory specification replacement