"If Hemispherical Reproductions made your K frame out of a B-body core".... that a interesting point.. i went with newcoms because i had a stock b body hemi k frame that i took out of the a ebody hemi clone car and bought what i thought was a ebody unit from newcoms i did not want any problems with the application that why i know TTI knew about my kframe .. it took 6 months to get that k frame from that company