Description
Rocker arm nuts endure constant mechanical stress and thermal cycling—factory fasteners often fail under high RPM conditions, leading to valve train instability and catastrophic engine damage. ARP’s chromoly rocker arm nuts are engineered to withstand the demands of performance engines, providing the clamping force and material integrity needed for reliable valve actuation. This kit delivers 16 precision fasteners ready for immediate installation on stamped steel rocker applications.
Technical Specifications:
- Thread: 7/16-20
- Shank diameter: 0.640 in
- Overall length: 1.200 in
- Material: Chromoly steel
- Finish: Black oxide
- Quantity: 16 pieces
- Application: Stamped steel rockers
- MPN: 300-8242
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