Dialing in your Dual EPC34s, Weber ICTs and Solex/Brosol just got a bit easier! These urethane adapters are made specifically for these carburetors. With easy push-on fit, they are impervious to gas and oil. Even the Solex/Brosol Adapter fits without removing the air cleaner center stud. For use with P/N 43-5712 EMPI Universal Pro-Sync.