Engine Bolt question
 

hi,im going to renew my rings in my civic while leaving the block and crankshaft indue to failure and putting a thicker head gasket in with a block gaurd in. What bolts do i need to replace i know head bolts and possibly conrod bolts?

wat about main studs if i decide to change the bearings while im at it, or can these be reused? im only asking this not cause im a cheap skate but these bolts are expensive and if there not needed i wont bother!! ;)
cheers, Tom