NEW STEERING COUPLING ASSEMBLY. For 3/4" 36 Spline Full Round Input Shaft With 3-1/4" OD Steering Coupling Assembly Engineered to meet or exceed OE specifications in fit, function and performance. Carefully manufactured from OE grade materials for strength and durability. Resistant to damage caused by corrosion and vibration. Bolts, nuts and washers included where applicable for ease of installation.