4.0 sohc rebuild

Have some items for an engine rebuild, ended up getting a rebuilt engine (that didnt work out, guy even said he uses chinese parts..) These are Coyle brand from rock auto Engine Timing Chain Kit Cloyes Gear & Product 9-0398S ..........................$250 Open Box but there, I have...

(Sorry for the lengthy post--I wanted to provide as much information as possible in hopes that someone on this forum can help) OK, here is the background: I purchased a 2003 Ranger Edge project last winter. The engine is the 4.0 liter SOHC. The vehicle has 157K, and I bought it from the...