Jims Twin Cam Engine And Transmission Plug Kit Features: This handy new kit is for engine and transmission rebuilders This plug kit is for plugging the holes on all engine and trans 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... You name it, there's a plug for it This is a solution for eliminating any destructive things from your assembly such as dirt, dust, miscellaneous. hardware, etc Includes enough pieces for one twin cam engine and transmission, alpha or beta Note: Use on Twin Cam engine and transmission 1999 - 2017