The description of the item 73209002 of New-Zealand HScode: Springs and leaves for springs, of iron or steel, incl. flat spiral springs (excl. helical springs, spiral springs, leaf-springs and leaves therefor, clock and watch springs, spring washers and other lock washers and shock absorbers and torque rod or torsion bar springs of Section 17) : For use in the assembly of motor vehicles as may be determined by the Minister in accordance with Section 14 of this Act : For the passenger motor vehicles of heading 87.03, and other vehicles of heading 87.04 of a g.v.w. not exceeding 3,500 kg