The same rules apply to 1700-2000cc pancake engines as they do to Type 1 engines. Install a set of EMPI HPMX, sit back, hang-on and enjoy the performance gains. All EMPI Type 2/4 kits feature all the same high quality hardware and components as our other standard Dual HPMX kits. Choose the size of carburetor that best fits your application. Comes complete with detailed installation instructions and EMPI packaging. Kit does not come with idle vent tubes or velocity stacks. Kit does not fit under decklid.