This is a NOS propeller shaft link for 1969-1971 Chevrolet Series 30 (D-D). It is in mint condition and ready to install. Original box included. GM# 3727194 Specific Applications: 1969-1970 Series 30 Truck (D-D) (11,000 lb. axle with Prop. Shaft Parking Brake; 1971 Series 30 Truck (D-D) (New Process 4-Speed w.11,000 lb. axle)