Part 1 covers installing the new ls7 lifters and trays, the GM MLS head gasket, and the new PRC 243 ported heads with ARP bolts.
I also show how to remove the plugs from the rear steam vent ports.
GM MLS Head Gaskets - 12498544
http://amzn.to/2sky69x
GM LS7 Lifter Trays - 12595365
https://amzn.to/3dhCvvZ
GM LS7 Lifters - 12499225
https://amzn.to/2V00CJu
Lucas Assembly Lube
https://amzn.to/2Ckl5SA