If you are going junk yarding the bolt has to come out of a 89 and up common block 2.2/2.5. The crank bolt is different on the older 2.2/2.5's. It took me a few days to find one luckly my friend had one in his bucket of bolts. Make sure the treads are clean on the bolt. I snapped a crankbolt in half on one of my cars and all I was doing was just wrenching it in no air.