depends if its a 1H (rallye) or PG (golf/'raddo) engine.
pg bolts are easy to get hold of, about a quid each + vat (same as 8v gti i think?) part # 050 103 384
1h are larger diameter and longer.. and discontinued by vag, part # 037 103 384 B .. but you can modify 1.9TDi bolts to fit (same thread)
or get some ARP bolts
