Super 7 Valve Locks

The MANLEY Super 7 Valve Locks are precision-engineered retaining components designed for high-performance and racing engine builds where valvetrain stability is critical. These valve locks secure the valve spring retainer to the valve stem, preventing uncontrolled valve movement and potential engine failure during extreme RPM conditions. They are ideal for both competition engines and high-revving street performance applications.

MANLEY's Super 7 design utilizes advanced metallurgy and geometry optimization to ensure consistent clamping force and minimal valve stem wear. The dual-groove profile creates a mechanical lock that resists separation under sustained high-RPM operation, vibration, and thermal cycling. This design is critical for turbocharged, supercharged, and naturally aspirated racing applications.

These valve locks are suitable for enthusiasts and professional engine builders working on various platforms, including LS-based powerplants, small-block and big-block Chevy applications, and Ford racing engines. Their precision manufacturing tolerances guarantee proper fit with OEM and aftermarket valve spring retainers, enhancing the reliability and lifespan of engine components.