well the guy he talked to on the phone really didnt give him a chance to say a word.... what he is saying is he already paid to have it over night shipped with 84mm pistons but than guy calls him sayin he dont have them after he said he did. so he just sent 84.5mm pistons instead... that make better since? anywayz did u get your head gasket and oil lines? cant wait to see this bitch run its going to be sick. did u pick which tuner your going to?