Originally Posted by PavementPounder
You're going to get blamed anyway because you listened to him.
Buy a caliper bolt for the axle you have: 78-79 F-250 Camper Special D60, or a 78-79 F-350 D60 SRW.
Yes, she knows what axle she has. Neither Napa, Autozone, nor Murrays has caliper bolts in their computer, hence why she is asking WHAT BOLT to purchase.