500 cubes

To start do you have a B/Rb block. If not your looking a at least $300-700 for a block. The stroker kits start at $1800, then your looking at the cost of machine work for the block to put the stroker kit in and assemble botom end $3000, unless your do the assembly yourself. Then the heads need done, valves and springs $400 The cost for motor mount swap kit $165. A big block 727 transmission and another driveshaft, the cost on these depends on used or new. You will at least need to have an 8 1/4 rear, better to have an 8 3/4. Hope this helps for rounded off $$$.