Mettec has been producing Carbon Fiber driveshafts since 1998. To handle the greater horsepower and torque of todays engines Mettec has increased the drivshaft diameter. The torque capacity for the larger carbon fiber shaft has been doubled. This drive shaft can handle the torque load for Silver crown to 410 Winged Sprints. Mettec's Carbon Fiber Driveshaft has the following benifits over conventional steel or titanium drivshafts. Superior Vibration Damping, Reported RPM increase, Great Fatigue Life, Eliminates Centripeatal Force and Harmonic Whipping, Reduced Rotating Weight and lower Torsional Spring Rate with Higher Shock Load Absorption Qualities. SOLD AS A PACKAGE ONLY ( Due to the diameter of the Driveshaft) PACKAGE INCLUDES: 1ea Carbon Fiber driveshaft (splines available for Winters and DMI rear ends) 1ea Torque Tube, with hard anodizing & lubricated coating for a longer life. 1ea Torque Ball, with hard anodizing & lubricated coating for a longer life. 1ea Bell Housing, magnesium casting 1ea Hard anodized split retaing ring.