Rotary 9770 Engine Pulley 1"X 6-1/4" Fits Exmark by Rotary $42.62 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Engine PRODUCT DESCRIPTION DESCRIPTION Fits 36" Commercial Walkbehind Mowers. Uses a 5/8" Belt. 2 Set Screws. REPLACES OEM EXMARK 1-303498, 303498 SPECS OD 6-1/4" KEYWAY 1/4" ID 1" HEIGHT 1-1/4"