places 2 buy parts in melbourne

[turbo2_100bhp]

im from the west and im of 2 melbourne next week, i would like 2 know where the best places 4 honda parts are. im after an EL head, its the only thing stopping me from finnishing my 1800 conversion. ive bought 6 EL heads here and none are up 2 scratch 4 20psi, all 2 corroded.