Substitution CVD BB drive shaft 52mm made out of world-renowned HUDY Spring steel. This race-quality drive shaft is an additional component for #305407 CVD BB Drive Shaft 52mm - Set - HUDY Spring metal????. Recommended for found in high-traction conditions, and for songs with numerous hairpin corners. Can be employed with #304972 - Gear Diff CVD BB Driveshaft Outdrives. Set of 2.