For 87633 WHEELY KING ROCK CRAWLER CONVERSION SET
Genuine HPI quality spare part for #87633 Wheely King Rock Crawler Conversion Set, allowing easy maintenance and repairs. The long wheelbase conversion set lets rock crawling trucks have a longer wheelbase for increased stability when going uphill. These are the standard assembled driveshafts - for an extra-tough drivetrain use the#88119 Universal Center Drive Set driveshafs with the #86336 Heavy Duty Final Drive Set.