hey guys im rebuilding my step brothers g16a and i have found the keyway on the crank pulley has worn into the crank!

unless anyone knows how to or where to get it fixed in brissy im in need of one asap as he is borrowing my car till i finish this.. also his standard exhaust manifold is broken too..can anyone in the goldy/brissy/ipswich/sunnycoast area help me with these parts? cheers josh.