CHC Dana 60 NON-Interlocking 1" thick hi steer arms fit any GM, Ford or Dodge king pin knuckle. Designed to use our aluminum cap and bolt system but are machined to also use the OE steel cap below the arm. Crane does not add any link mount holes to these arm simply because in a d60 application and all the variable of axle placement and use of hydraulic rams, we leave that set up to you or your 4x4 shop. These super strong original styled arms are proudly made in the USA. Technical support is available by email joshua@cranehiclearance.com or phone 303-917-4851 Right side arm pictured, left is a available, just not pictured. All risks and responsiblities of setting up steering systems are are taken by the installer/purchaser.