Trans Adapter

must use 98-99 full size 1500 chevy pickup with 4.3 or 5.7....    or 98-02 full size chevy van with 4.3 or 5.7.  LS trans will not work.  64 to 66 engine direct bolt on.  57 to 63 requires centering bushing for crank (40) , special flexplate with ring gear (185) and starter spacer for use with dynaflow starter (65) or mini starter.