Overview Product Description Details: 1347 Base for 4-5/16 inch , 5 inch, 5-5/8 inch Diameter Motors Base HT."D" 3 1/2 inch "A" Lengths 5-5/8 inch & 5 inch DIA. 4 3/4 inch "A" Lengths 4-5/16 inch DIA. 4 1/2 inch "2E" - 3 15/16 inch "2F" - 1 11/16 inch Base Length 5.167 inch Requires 2 1/2 inch diameter ring. Notes: Refer to Stock Numbers 1181A and 1182A. For mounting rings and mounting clips. Product Videos Custom Field Product Reviews