planning to get this for my build..(check link)

http://cgi.ebay.com/ebaymotors/NIPPO...Q5fAccessories

i herd nippon pistons are good..im just wondering if the gaskets are reliable for example,the head gasket..so the question is..should i get this kit or buy everything seperately

for my head im going itr intake valves/valvesprings...put the gsr intake springs to exhaust side..leave the exhaust valves stock...and imma b running on 01 ITR cams..