Rocker Arm Adjusting Nuts; Magnum Polylocks, 7/16" 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