Description
Rocker arm nuts that back off under vibration will ruin your engine’s valve train geometry and create costly catastrophic failure. Comp Cams Hi-Tech Polylocks eliminate this risk with a nylon insert that locks in place the moment you torque it down—no secondary safety wire required. These are the standard choice for serious engine builders because they stay put, every single time.
- 3/8-24 thread size
- Steel construction
- Black oxide finish
- Nylon polylock insert
- Set of 16 nuts
- Bolt-on installation
- No safety wire needed
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