Steel constant velocity driveshafts are designed to handle the extreme horsepower and torque that the E-Revo® VXL Brushess (86086) / E-REVO (56087) ,SUMMIT 56076 / E-MAXX 3905 dishes out. The inner and outer U-joints are lubricated and sealed by a rubber boot for maximum protection against the elements, and the U-joint pins are held captive by a lightweight aluminum sleeve so you never have to worry about losing a pin. The nickel plated steel shafts, blue silicone boots, and red-anodized aluminum accents not only look good, they are designed to exacting specifications for ultimate strength and performance. Includes screw pins (4).

Replacement part:5151R / 5650R / 8655R
Material:aluminum + Steel
Content: 2Pcs Center Driveshafts 
(What you choose in the Color and Type what you get)