COMP Cams 615-16 Comp Cams Valve Locks 5 16 Single Radius 7 Deg Top Lock 615-16

The COMP Cams 615-16 Valve Locks are precision-machined retainer locks designed for use with 5/16 in. valve stems featuring a single radius groove profile. These locks utilize a 7-degree top lock taper, providing a secure and reliable interface between the valve stem and retainer in high-performance engine applications.

Key Features:

• Valve Stem Diameter: 5/16 in. (7.94 mm)
• Lock Style: Single radius groove
• Taper Angle: 7-degree top lock
• Precision-machined from high-quality steel for durability and consistent fit
• Engineered to maintain positive valve spring retention under high-RPM and high-lift conditions
• Compatible with COMP Cams and most aftermarket performance retainers using the 7-degree taper standard
• Sold as a set suitable for one engine build

COMP Cams valve locks are a critical valvetrain component, ensuring that the valve spring retainer remains locked to the valve stem throughout the full range of engine operation. Proper lock selection—matching stem diameter, groove style, and taper—is essential for valvetrain safety and longevity in both street and race engines.