Core 5.9 magnum $100-$500
Reground cam with shipping from oregon cams will run you around $180
1121g .028 head gaskets on ebay $50 a pair
Valve job and home porting $150
you can use the blue ls6 valve springs if you cut the spring pockets and will get you .550 lift capable. (also requires stock ls retainers with some grinding) $70
Ebay billet distributor $60
I dont know of any china single planes for the sbm, but used M1 or the like figure ~ $200
Cheap 1-5/8 headers ~ $100
750DP with a kit ~$200
timing set $35
then what ever you need to get it into your chassis. oil pan, pickup, timing cover, accessories, plugs, wires, water pump, fluids, filter, intake-exhaust gaskets
I have built a few this way, with enough cam they run pretty good.
I already have the spring cutter and a jig to redrill the mag heads for la pattern so that helps to keep my costs down. I also scrounge up all the stock ls retainers i can from buddies when they upgrade their valve train.
