Wash. Rev. Code § 46.37.519
(1) For the purposes of this section:
(b) "Major component part" includes at least each of the following vehicle parts:
(2) A kit vehicle must, prior to inspection, contain the following components:
(3) A kit vehicle may also be equipped with hoods and bumpers. If this equipment is present, it must meet the following requirements:
[ 2009 c 284 s 3.]