View cart “M81 Complete Gearbox” has been added to your cart. M661 Electric Box Housing$37.00 Electric box housing (plastic) for M661 or M755. M661 Electric Box Housing quantity Add to cart Description Description Electric box housing (plastic) for M661 or M755. Part no E9801 Related products Drive Springs $15.00 – $18.00 Select options Autofeed Movement Assembly $105.00 – $152.00 Select options 2.5″ O.D. x 5/8″ Pulley $34.00 Add to cart 2.5″ O.D. x 1/2″ Pulley $30.00 Add to cart 8″ O.D. x 1″ V-Belt Pulley $62.00 Add to cart