18t 1-3/8 | Double Roller Chain Sprocket 18 Teeth 1-3/8" Bore 3-1/8" OD 5/16" Key - Used New Custom Label: 9-21D4-66618-CS Used MPN Bi5 M18 LiU 8-12B3-88822-EW-GX
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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20