Comp Cams 3/8" High Energy Poly Lock

Rocker Arm Adjusting Nuts; High EnergyT Polylocks, 3/8" Stud

 Designed for ultimate strength and locking force

High EnergyT and Magnum polylocks are best for moderate lift and spring pressure applications

Hi-TechT Polylocks work well in all high end race applications

The stud girdle polylocks are precision ground for minimum runout and tapered for extra strength in the locking area