The CVD bearing drive shafts improve off-power steering and rotation, but decrease right back traction and security. Ideal for used in high-traction conditions, and for tracks with numerous hairpin corners. Set includes complete drive shaft just. May be used with #304972 - Gear Diff CVD BB Driveshaft Outdrives. Drive shafts are solely produced from unique world-renowned, top-secret, self-developed HUDY Spring metal