Rear end clunk turning left

Pull your axles ( and I mean all the way out) don't leave them hang on the inner seal.

Pull the pig and look for chipped gears, could be R&P or something inside of the suregrip itself.

IF your R&P appear to be in good shape, STOP, there are some steps that you need to do BEFORE you pull the suregrip out if you intend to run those gears again. You might be able to see inside it enough without pulling it from the pig to see if something is broke.

Is this a clutch or cone?