Description
Rocker arm hold down studs are critical fastening points in any high-performance engine build—a loose or failing stud can cause valve train instability and catastrophic engine damage. This 5/16 hold down stud from JJ-Motorsports is manufactured to OEM specifications, ensuring precise fitment and reliable clamping force under extreme RPM and boost conditions. Whether you’re rebuilding a stock engine or upgrading a race platform, having quality replacement studs on hand prevents downtime and protects your investment.
- 5/16-18/24 threads
- 1.890 inches long
- Steel construction
- Rocker arm fastener
- Sold individually
- Bolt-on installation








