PLUG KIT,DECK,CHEVY

Water Pump Block Off And Filler Neck Kit; Deck Plug Kit; Wall Distortion Reduced; Restrict Water Flow to Cylinder Heads;

-Upper cylinder wall distortion is greatly reduced when these 3/4in NPT plugs are installed in the water passage holes in the decks of Small Block and 90 V6 Chevy engines
-Water holes must be tapped before the plugs are screwed in block must also be decked after installation
-Plugs also restrict water flow to the cylinder heads by reducing size of water passage holes to 5/16in
-Packaged six to a kit