Tapered for extra strength in locking points, our Magnum polylocks are 1.300" tall with a .665" diameter for use with 7/16" stud rockers. Catalog User 1
The best polylock for high end race applications, these Hi-Tech polylocks are designed for 7/16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.CatalogUser 1
These 1.125" tall polylocks fit our 7/16" High Energy Die Cast Aluminum roller rocker arms. Perfect for moderate lift and spring pressure applications.CatalogUser 1