hello from New Zealand, 18 spline head ache a833.

AJ/FormS said
IDK what that short fat input fits but I've never seen anything like that come out of any SBM or slanty.
It looks like a Chevy to me..... but Chevy's are 10spl usually.......

i was thinking chevy, buts its 18 like you said with the same size retainer

but with different side for bearing carrier