A sample from the products for the Knuckle Arm include: End,rod,l, Spacer,king Pin, Bolt,knuckle Arm, Nut.
In this schematic the "Nut" is used most often.
This Knuckle Arm diagram displays the required parts for the Lt-z90 2014 Quad Sport(l4) Usa (e03) Quadsport Quad-sport Knuckle Arm.