For those looking for high performance or rebuilding a 914 engine with greater power, the SherryBerg Carb Set is designed specifically for VW BUS TYPE 4 WEBER Models 40IDF/44IDF/48IDF CARBURETOR Empi 47-7347. This kit includes two carburetors, fuel line, and all necessary gaskets, as well as cast aluminum manifolds and special aluminum alloy mounting hardware for the linkage arms. The included throttle arms also feature individually adjustable heim joints for smoother response. This comprehensive kit is recommended for 2.0l engines and big bore engines with a minimum of 3/4 cam. Choose from 40mm, 44mm, or 48mm carburetors to fit your specific needs.