View cart “M81 Complete Gearbox” has been added to your cart. M661 Float Tube$28.00 Replacement float tube for M661 drive shaft. M661 Float Tube quantity Add to cart Description Description Replacement float tube for M661 drive shaft. Part no FLOAT TUBE Related products 7″ x 5/8″ Pulley $77.00 Add to cart 8″ O.D. x 1″ V-Belt Pulley $59.00 Add to cart 2.5″ O.D. x 5/8″ Pulley $32.00 Add to cart Front Casting and Bushings $17.00 – $157.00 Select options 1″ Pillowblock $21.00 Add to cart