Description
Intended for use in the D, DX diesel blocks. these bearing shell spacers will allow you to step down the main housing bore size so that a conventional 330 steel or 350 nodular crankshaft can be used. Also highly advised for any serious hp D or DX block. Comes with step down rear seal adaptor, 5 upper bearing spacers and harware. These bearing spacers come a little undersized so that you can have your machinist line hone to size.
