I purchased this from Amazon and was also able to find kayak hooks (a set of 4 hooks for 2 kayaks) on Amazon for $60. Used clamps rather than drilling into the bed for the rack system. So far seems really sturdy, wasn’t expensive, and looks good!

https://www.amazon.com/dp/B00KB1V110/ref=cm_sw_r_cp_api_mkukBbWYXGPS5