Frickin' timing chain
You need to be really careful with those cheap auto store ones. That was probably a split roller chain, instead of a solid roller. The split roller chains can and do wear out quickly and fail. Here, you can see the difference. You can clearly see the split rollers on the cheaper, inferior chain. They are prone to crushing and even coming apart. Timing chain sets are one area where you do not need to cut corners.
You need to be really careful with those cheap auto store ones. That was probably a split roller chain, instead of a solid roller. The split roller chains can and do wear out quickly and fail. Here, you can see the difference. You can clearly see the split rollers on the cheaper, inferior chain. They are prone to crushing and even coming apart. Timing chain sets are one area where you do not need to cut corners.