Gearbox Sprocket, 17 Tooth for 5/8″ x 1/4″ 520 Chain, AMC, Norton Models 16H’ ES2; Model 18, Big Four, 7 , 77, 88, M30/40/50, Dominator, Reproduction Made in UK

( Alt #’s SPR-ND-17T, 01-2366 )