hi going to put my ej257 in to my 93 wrx i got a set of sti 3/4 heads what gaskets do i need?i was told subaru 2.5 na ones what is the part number for them.
what about head bolts standard or arp.
am i better fitting a modified oil pump too?

cheers david

 

Try Lateral Performance 02084205444 he keeps stock of the relevant gaskets and will help you work out the compression ratio.

 

ok got the head gaskets sorted out now what bout the head bolts better getting a set of arp or just use standard ones

 

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