Rocker Arm Posi Lock Nut Set 7/16-20 (16pk)

The Rocker Arm Posi Lock Nut Set 7/16-20 (16pk) is designed for high-performance engine valvetrains, providing a reliable solution for racers and engine builders. These locking fasteners are crucial for maintaining precise valve lash settings, especially under extreme RPMs, heat, and vibration.

Utilizing a proven posi-lock design, this set ensures that once your rocker arms are adjusted, they remain securely in place, preventing engine damage or loss of power. Each nut is constructed from durable steel, designed to withstand the cyclical stresses of modern valvetrain geometry, and features a zinc oxide finish for corrosion resistance.

This set includes sixteen individual nuts, making it suitable for complete installations on most V8 engine configurations requiring this specific thread diameter. Ideal for both street-strip and dedicated racing applications, professional installation is recommended to ensure proper torque and lash adjustment for enhanced reliability over standard configurations.