Function: For small and some large engines to get good street performance and fuel economy. It is not affected by engine flashback that means there is no power valve to blow out, and the rod can be replaced in a few seconds without removing the carburetor. Harley Davidson 2-Cycle Golf Cart 1967-81 Replacement Carburetor – OEM 27158-67A / SKU: 302 Designed for the 2-cycle style Harley Davidson Golf Carts Replaces OEM part number: 27158-67A Brand New Replacement Tillotson HL-231 Double Diaphragm Carburetor Fits: 1967-81 Harley Davidson 2 Cycle Golf Cart models.