Compatible with motorcycles including XL883, XL1200, CV40mm carburetor applications, Softail (FXST), Sportster 883 and 1200, and Electra models.This carburetor choke is designed for HSR 42mm, 45mm, and 48mm carburetors.Fits models equipped with OEM part numbers 426232, 990-662-002, N189.192, VM14/241, and 640-12001.Also compatible with OEM part numbers 27421-99, 27465-04, 27501-88, 27004-89, and 27415-99C.Constructed from steel and rubber.Intended as a direct replacement for the choke to restore factory function.