Genuine HPI quality spare part for #HP87633
Wheely King Rock Crawler Conversion Set, allowing easy maintenance and repairs.
Anyone looking to customize their Wheely King to solid axles should have a set of these. You get a pair of diff lockers that provide you with a solid axle and add extra weight where it's need: down low.
106173 HPI Wheely King 4X4 RTR 2.4ghz