This is the adpter you need for your stovebolt six 216/235/261 chevy/gmc in order to use gm rwd auto transmissions. allows you to bolt a th350/375/400/ 200-4r/700-4r behind your bolt. comes with adpter plate, starter, flex plate and bolts this one was only used for about 2500 miles. any questions just ask jeff 217 836 4105 can ship i imagine shipping would run 35-50 depending on where.