Crane locknuts for Crane's roller-tip, needle bearing aluminum rocker arms feature highest quality metal bar stock, precision machined on our own automatic screw machines and heat treated in house for maximum strength and durability. Each Crane locknut comes complete with an Allen-head set screw for positive jam nut operation. NOTE: Since mid-1985, Crane Gold Race stud mount extruded rocker arms (except narrow body versions) have had a .600" wide top slot. Crane Energizer stud mount rocker arms have a .570" wide top slot. Review products and applications. Adjusting nuts are available in packages of 16 or 2 pieces. Adjusting Nuts Set/16 99760-16$54.40 Adjusting Nuts Set/2 99760-2$6.80 Adjusting Nuts Set/16 99761-16$54.40 Adjusting Nuts Set/2 99761-2$6.80 Adjusting Nuts Set/16 99764-2$6.80 Adjusting Nuts Set/16 99788-16$54.40 Adjusting Nuts Set/2 99788-2$6.80 Adjusting Nuts Set/16 99790-16$54.40 Adjusting Nuts Set/2 99790-2$6.80 Adjusting Nuts Set/16 99792-16$54.40 Adjusting Nuts Set/2 99792-2$6.80 Adjusting Nuts Set/16 99793-16$54.40 Adjusting Nuts Set/2 99793-2$6.80 Adjusting Nuts Set/16 99795-16$54.40 Adjusting Nuts Set/2 99795-2$6.80