JIMS - Engine and Transmission Plug KitDesigned for the engine and transmission rebuilder. Kit is for plugging the holes on all engine and transmissions when going through the steps of the rebuilding process. No longer do you need to hunt for rags for intake, plugs for speedo sensor or tappet bores, oil passages, spigot holes, etc. Specifications Eliminates any destructive things from your assembly such as dirt, dust, miscellaneous hardware, etc. Kit includes enough pieces for one Twin Cam