It's only $6,000
Are you sure you want a .550 lift cam and an engine that has an operating range starting at almost 3000 RPM?
Have you looked at Carolina Machine (CME)?
Last column at left is short block price, next is long block, then complete (some with AL heads)
Big Block 440 420 Lopey 9.5 #,al,cr,g,o,v,y $5496 $4896 $1896
Big Block 440 440 Choppy 10.0 $,al,cr,g,o,v,y $5496 $4896 $1896
Big Block 440 460 Choppy 10.0 $,a,cr,g,v,y $6996 $6396 $1896
Big Block 440 500 Rough 10.5 !,cr,e,g,v,y $7996 $7396 $2496
Stroker Big Block 522 500 Lopey 9.5 #,1,a,g $7996 $7396 $4496
Stroker Big Block 522 522 Choppy 10.0 $,1,a,g $7996 $7396 $4496
Stroker Big Block 522 550 Rough 10.0 !,1,g,mw $8496 $7896 $4496
Stroker Big Block 522 625 Very_Rough 11.5 ss,1,b,f,g,mw,r $9996 NA $4496