I always wanted to increase the mowing height on my HRR216K5 VKAA from 3/25" to 4" and finally got around to buying the parts to do this:
You need to buy 4 parts at a cost of around $40. For the front wheels you replace the adjuster arms.
HON 42911-VL0-900 ARM R. FR. ADJUSTER
HON 42921-VL0-900...