New LS V8 heater delete hose.  U shaped hose with 5/8" and 3/4" sizes for plugging the heater hose outlet ports on LS water pumps.  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.  Free shipping to the u.s. lower 48.