And have a shop install it?
Anywhere from $3500-$4500 depending on who you went to.
Basic avg cost are:
Heads $1500-$2500
cam $375-$425
pushrods $100
Gaskets, coolant, oil and misc stuff $150
If its a high mile car a timing set $150
plus labor...avg about $800-$1200 to install
Then $450 on up or so for a dyno tune
I may be forgetting something...but this is a ballpark figure.
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if it's cheap & reliable, it ain't fast, if it's fast & cheap, it ain't reliable, if it's fast & reliable, it ain't cheap