Manley 42270-12 Valve Lock Set - SBC Small Block Chevy .061 Round Wire

The Manley 42270-12 valve locks are precision-engineered valve stem locks designed specifically for Small Block Chevrolet (SBC) engines. These locks feature a .061-inch round wire design that provides secure retention of valve spring retainers on the valve stem.

Key Features:

• Round wire design with .061-inch diameter for reliable valve retention
• Manufactured specifically for Small Block Chevy applications
• Precision-machined from quality materials for consistent fit and durability
• Essential component for valve train assembly and engine builds
• Sold as a set to provide locks for multiple valves

Manley Performance Products is known for manufacturing high-quality valve train components used in both performance and racing applications. These valve locks are critical components that secure the valve spring retainer to the valve stem, preventing the retainer from separating during engine operation. The round wire design provides a positive lock while allowing for proper valve train geometry.