yes mip 30dollars and it makes competion and rebound ajustable i used 35w front and 30w rear you can drop it from a ft a it will botom but not bouns at all i never felt so planted on the track as long as i stay on the race line in the fluff it is the same i was ceeping pace with a gas 1/8 hotbodys last night much harder to upset the truck it looked like i had 2lb add in the truck but still nemble