02. To install a repair sleeve (middle bottom row) on a harmonic balancer (upper right), you will need a hammer, a wooden block, and steel wool. See All 10 Photos ...

The 7/16-inch balancer install tool is heat-treated for strength and durability. It is CNC-machined, and provides a larger contact area to keep the harmonic balancer perpendicular with the ...

You will need two special tools to remove and replace the stock LS3 harmonic balancer, we show what they are and how to use them.

They provide detailed instructions on specific tasks involved in the rebuild, such as properly installing the heads, removing or installing the harmonic balancer, and measuring push rod length.