Home Boat Maintenance Cleaning & Care Rudder & Shaft 2-1/2” Packless Sealing System Shaft Seal (4” Stern Tube) PYI 2-1/2” Packless Sealing System Shaft Seal (4” Stern Tube) $837.00 2-1/2” Packless Sealing System Shaft Seal (4” Stern Tube) quantity Add to cart