Idler Arm and Steering Box Bolt or Nut 510

New bolt or nut for Datsun 510 1968-73.  This bolt will be used to mount the idler arm to the frame or the steering box to the frame.   Zinc bolt or OEM bolt and stainless steel nylock nut.  17mm hex head bolt (same as original).  Total of 5 bolts and 5 nuts required if replacing all.  

Bolt and nut sold separate.