Built B20 brand new
gsr crank/ micropolish and balance
benson sleeves
jg pistons w/ total seal rings 9.5-1 comp
forged rods
everything balanced within 100ths of a gram
deburing
adj cam gears
modified gsr oil pump

b20 head with
everything arp to withstand 9000rpm
full port/polish
deburing
square ports
turbo head gasket
And intake manifold square ported and matched

All for 4500 plus shipping

Does this sound like a good motor to get 400hp out of or should I get something else?