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Adjustable Installed Height with Crower +.050 Valve Locks

Fine-tune your valve spring pressure with Crower Cams 10-degree +.050 Jumbo Valve Locks. These precision-engineered locks are designed to increase the installed height of your valve springs by 0.050 inches, allowing for critical adjustments in spring pressure and retainer clearance. Crafted from high-strength chromoly steel, they offer the durability required for high-performance racing engines.

Technical Advantages

• +.050 Height Offset: Perfect for correcting installed height issues without changing springs or retainers.
• 10-Degree Angle: Superior grip for high-lift, high-RPM valve trains.
• 11/32 Inch Stem Compatibility: Precision fit for standard performance valve stems.
• Robust Construction: Chromoly steel ensures long-term reliability under high spring loads.
• Complete Set: Includes 16 locks for a full engine application.

Achieving the correct valve spring installed height is a fundamental step in building a high-performance cylinder head. These Crower locks allow you to dial in your spring pressure precisely, ensuring optimal valvetrain stability and preventing coil bind. The jumbo design provides the necessary surface area to handle aggressive camshaft profiles and high-pressure springs. By choosing Crower, you are investing in components that have been tested and proven in the most demanding racing environments. Ensure your engine is built to perform at its peak with these high-quality valve locks. Browse our full catalog of performance valvetrain parts at GGCRACING.