i feel if you use new bolts,nuts and lock washers you shouldnt have issue with them coming loose...one thing i dont agree with and i'm not a engineer or anything but i've used several of chassis engineering kits....i never use the hardware they send ...i always get grade 8 stuff to put it together with.....dave

1949 Chevrolet 3100

"When this thing hits 88 miles an hour, you're going to see some serious sh%t." -Doc Brown