New LS V8 water pump rubber plug kit.  Includes 2 rubber plugs for the water pump & 2 shrink fit clamps for a clean look. Just heat the black sleeves &  they shrink to clamp the rubber plugs.  Wil fit LS1/LS2/LS6/LS3 as well as truck engines found in 1997-2004 Camaro, Corvette, GTO,  truck 4.8L, 5.3L & 6.0L.  Plug these holes when not running a heater.