PSS Shaft Seal 2-1/2″ Shaft 4″ Tube Shaft Diameter: 2-1/2″Stern Tube Diameter (D): 4″Total Length (A): 9.625″Total Length (compressed) (Compressed A): 8.375″Rotor Diameter (B): 4.2″Carbon Cuff Diameter (C): 3.75″Stern Cuff…Continue readingPSS Shaft Seal 2-1/2″ Shaft 4″ Tube [02-212-400]