Quick view R & D Marine R & D Flexible Shaft Coupling f/6" Twin Disc - 28HP/100RPM Capacity [910-026] Flexible Shaft Coupling for 6" Twin Disc - 28HP/100RPM CapacityThe R&D Flexible Couplings are fabri MSRP: $1,105.00 Was: Now: $884.00 Out of stock