To make a long story short i purchased a 200amp alternator from these people firtst one failed they warrantied t now second one broke a shaft 20 miles of run time now they wont warranty it because its abuse!!! Wtf what kind of crap is that.....who buys a cobra to baby nobody thats what these cars are meant for ! Cheap china alternators never again ../...i got robbed of 160 $ no alternator no refund....