Do these mount at the factory spindle without modification?

Yes, these use factory mounting points—no drilling or adapter plates needed. Install directly to the existing spindle with OEM bolt patterns.

What hardware do I need to mount these?

You'll need the factory spindle bolts and a torque wrench. Fasteners are not included in this assembly; use OEM hardware or equivalent and torque to your vehicle's service manual spec.

Can I install these myself, or do I need a shop?

DIY installation is achievable with basic hand tools, jack stands, and a torque wrench. You'll need to support the truck safely and remove the wheel and rotor—standard suspension work. If you're not comfortable, a shop can install in under an hour per side.