CHIEFS, SCOUTS, FOUR CYLINDER BIKES
PRIOR TO 1932 USE 530 PLAIN CHAIN (NOT ENOUGH WIDTH IN CHAIN CASE FOR ORING CHAIN. )
AFTER 1932 USE 530 ORING
https://crazyhorsemoto.com.au/products/00038543-120-link-530-final-drive-ek-o-r?_pos=3&_sid=bbcb87178&_ss=r
INDIAN PART # PART # 38543