Wanted: older GSXR 750 barrels, cylinder head etc

gents, and ladies, i'm chasing barrels, cylinder head Inc. Cams etc), valve cover and even the header pipes if i can off late 80's gsxr 750. a J model or H?

ie, an 88 slingshot. it needs to be the short stroke motor however.

Condition wise, as long as it's in working order, the head isn't warped etc. it'll all be going to 2stroke and ingear for much massaging.

i have a project in mind and this might take me 18mths to comnplete...