yeah........these things arent that cheap
ive got a catalogue for GT-R .....this is dated a few years back
(im sure pricing wouldve changed)
GREX 2700cc (87.0X75.7mm) & 2731cc (87.5x75.7) $19,000
HKS 2771xx 87x77.7mm Hi-deck kit (9.5:1 comp) $35,760 (incl pulley kit, crank damper, head bolts, bearings etc)
HKS/OS Giken 3000cc $POA <--- (in other words...you dont wana know)
Kakimomto 3000cc spacer and sleeves $n/a (engine must be built in Japan)
S&S 2771cc (87x77.7mm) $19,700
now you got an idea....im sure if you do a search for todays markets... prices may have increased