Time to buy swing down mounts for the fenders or a better I guess. Good news is at least you didn't have a spotter standing in front of the trailer to tell you when to stop , that could have been really bad
Brand new never even had a belt on them (has ALT w/ cover, Crank, and Water pump pulley ) 100.00
http://www.jegs.com/i/March+Performance/655/1670/10002/-1
Also have a spare water pump grooved pulley from this type of kit. 30.00