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