Pioneer Rocker Arm Nut Posi Lock 3/8-24in Steel Zinc Oxide Set of 16

Pioneer 850010 rocker arm nut. Features Posi Lock design, 7/16-24in thread, steel construction, zinc oxide finish, ensures secure rocker arm attachment, sold as a set of 16.

Rocker Arm Nut - Sure-Lock - 7/16-20 in Thread - Steel - Black Oxide - Set of 16

Pioneer 850001 rocker arm stud. Features 7/16-14in base thread, 3/8-24in top thread, 1.470in effective stud length, steel construction, fits Small Block Chevy, sold as a set of 16.

Pioneer RM-348-100 rocker arm stud. Features 7/16-14in base thread, 3/8-24in top thread, 1.870in effective stud length, steel construction, universal fit, sold as a set of 100.

Pioneer PF-580-100 cylinder head insert. Features 5/8-11in male thread, slotted design, steel construction, zinc oxide finish, ensures secure head fastening, sold as a set of 100.