You can't buy a kit to drop in a 351W of you own; you have to build it. I made everything that was needed for this truck. I'll give you a hint though, see www.therangerstation.com for a template to make engine mounts.
351W /396 Stoker
Page 1 Welcome
Page 2 A Farewell to the 2.9
Page 3 How to remove your engine
Page 4 New engine
Page 5 The C4
Page 6 Looks over time
Page 7 The interior
Page 8 Overhaul & BII tank swap
Page 9 Finished tank swap
Page 10 Assorted truck pics
Page 11 Current pics