My guess based on parts cost is you will have at least $3000 in parts and labor.(assuming all parts are new and good quality)
Guides - $25 ea
seats - $20 ea
SS valves - $50ea
retainers $270
Locks - $60
Springs $600
Thats just the parts no labor.

'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60
'01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust,
'05 Dodge Magnum R/T - Too Much to list
'60 Willys CJ5
'01 International LPX - Project,DT466, Allison
'64 Plymouth Valiant, Inj 528 Hemi, 2spd