O ring Post Posted 10 June 2008, 9:08 AM #830930 (In Topic #99256) JWhealy Settling In O ring HiWhere can i find a new o ring for my thermostat?Josh Post Posted 10 June 2008, 10:34 AM #830966 novocaine Local Hero stealers or gsf. think you get one with a new thermostat so while your at it change it. 0 guests and 0 members have just viewed this: None. Forum home Engines Big Block Injection Engines