SKU: PACPAC-L8159
MPN: PAC-L8159
The Valve Lock 1pk 10-Degree 8mm Steel -.050 from PAC Racing Springs is a critical fastening component for high-performance engine builders and serious enthusiasts who demand precision in their valve train assembly. These valve locks work in tandem with valve spring systems to maintain proper rocker arm geometry and prevent unwanted valve float during aggressive cam profiles and high-RPM operation. If you're building a stroker, turbocharged engine, or any platform pushing beyond factory specifications, proper valve retention is non-negotiable.
Engineered from hardened steel, this valve lock features a 10-degree seat angle designed to lock securely onto the valve stem without compromising the integrity of critical components. The 8mm diameter and -.050-inch tolerance specification ensure a precision fit that eliminates slack and maintains consistent preload across the entire valve train assembly. PAC Racing Springs' commitment to tight manufacturing tolerances means these locks will deliver the same performance characteristics across multiple installations, eliminating variables that could lead to inconsistent valve timing or spring bind conditions.
This single-pack valve lock is ideal for repair, replacement, or incremental engine build projects where you need a reliable OEM-quality alternative or upgrade component. Whether you're refreshing a tired engine, replacing a failed valve lock from a previous session, or fine-tuning your existing high-performance setup, having PAC Racing Springs quality on hand ensures you won't compromise your build with inferior fasteners. Always verify compatibility with your specific valve stem diameter and spring seat configuration before installation.
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