Fitments
48-E81 Big Twin; 54-E81 XL Sportster: Crankpin nut retainer. 61-84 XL Sportster: Oil seal and gasket retainer behind transmission sprocket. 58-69 XL Sportster: Inspection cover.
Part Description
SLOT SCREW 10/24 X 3/8
Multiple applications. 10-24 x 3/8". OEM replacement reference 2660