Cylinder heads, like most parts, eventually, they can crack or fail in other manners. Before we get into the repair side, we will touch on what a cylinder head is, what causes failure, without going into too much technical detail, but feel free to skip ahead if you are already familiar. An engine, without the hanging parts (starter, alternator, fuel pump, manifolds, etc.) consists of 2 important parts, the cylinder head and the engine block. What is a cylinder head?There different types of engines, namely over-head-valve (OHV) and over-head-camshaft (OHC), we'll use the OHC engine for reference. The engine block,...