18-15-110 This carb bell is used on 932 Amal carbs fitted to MK3 & 4 Pursangs & MK1 El Bandido & MK1 El Montadero models.
49-15-110 This carb bell is used on 625 & 627 Amal carbs fitted to Alpina models up to 1975. It also fits 1970 through 1975 Sherpa T models.