Description
Valve locks are the critical component that keeps your valve springs properly seated under extreme load—and Manley’s 10-degree locks are engineered for reliability in high-RPM, forced-induction environments where failure isn’t an option. Whether you’re building a race engine or upgrading a street performance application, these hardened steel locks provide the secure retention your valvetrain demands. The 7mm bead-loc design ensures consistent clamping force across the full rev range.
- 10-degree locking angle
- 7mm valve stem
- Standard height geometry
- Hardened steel construction
- Natural finish
- Set of 16 (eight complete pairs)
- MPN: 13170-8






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