Included in this listing is a stainless steel, laser cut shim kit for setting tappet pre-load on any Rover V8 engine, an essential step in any build to ensure a long life and good running. These shim kits will be found in each and every RPi long or turn-key engine unless Merlin heads are being used (which require adjustable push rods). The required number and size of shim are placed under the rocker pedestals, and full installation instructions are included
Laser cut stainless steel shims
15 and 30 thou sizes are included (8 of each)
"Dibble stick" and installation instructions also included
Setting tappet pre-load is essential in any Rover V8 engine build.