Obtaining perfect balance is important to your engine's performance. The harmonic balancer reduces torsional vibration of the crankshaft, which is the motion naturally generated during each power ...

A clever invention, it's called a harmonic balancer repair sleeve, or "seal saver," and not only is the device a fast, easy, and inexpensive means to rehabilitate a worn-out harmonic balancer, the ...

When you consider the crazy monkey motion of reciprocating internal combustion engines it is remarkable they work as well as they do. You have eight pistons and connecting rods doing a “do-si-do” ...