Snap-On Equipment Solutions, 27001 Network Place, Chicago, 800-426-6260. I ordered it from them over the phone. They will ask you for your "code", just tell them that you are an "independent" mechanic.
Here are their stock numbers, name and cost:
MWG3450-2A Head Gasket Aligner $20.28
MWG3450-3 3450/2 Complement $9.72
MWGT10070 Polydrive Bit & Socket $21.48
MWG3090 Connect Rod Support $30.00
MWGT10020 Tooth Belt Tensioner $9.91