Valve Locks - 7 Degree

Valve locks – 7 degree are essential components for high-performance and racing engine builds where valve train stability under extreme rpm and load conditions is non-negotiable. Designed specifically for 11/32 inch valve stems at standard height, these chromoly valve locks prevent valve float and unintended valve opening that can lead to catastrophic engine failure. Whether you're assembling a competition-grade small-block, big-block, or high-displacement naturally aspirated engine, this set of 16 locks delivers the precision and durability required for serious horsepower applications.

The 7-degree geometry of these valve locks optimizes the seating angle within the valve groove, providing superior grip and load distribution compared to standard 6-degree designs. Manufactured from chromoly steel and finished in black oxide, they resist corrosion and oxidation while withstanding the thermal cycling and mechanical stress of sustained high-rpm operation. The black oxide surface also reduces galling and ensures consistent lock-to-stem contact across the set, critical for maintaining even valve opening and closing characteristics across all cylinders and maintaining proper valve lash geometry.

These locks are ideal for engine builders, racing mechanics, and enthusiasts rebuilding or upgrading valvetrain assemblies on small-block Chevrolet, Ford, Mopar, and other domestic performance platforms that accept 11/32 inch valve stems. Installation requires proper valve spring compressor tools and careful seating into the machined grooves of the valve stem; improper installation or use of worn locks can result in valve float and engine damage. The set of 16 provides enough locks for a complete eight-cylinder engine with one lock per valve, plus spares for service or future projects.