The arm will come complete with required bushings.
Choose either black or not powder coated for your generation of skid.
Gen 2 & Gen 3 skids use different bushings, so please ensure you're ordering the correct generation of arm for your Kmod
Gen 2 skids use all 3/8" bolts
Gen 3 skids use all 5/16" bolts except for the rear arm lower cross shaft