Accelerate with 2-bbl. performance, cruise with 1-bbl. economy! Includes Weber 32/36 DFEV carburetor with electric choke Includes carburetor (jetted for each application), aircraft-grade cast aluminum center-section manifold with zinc-plated isolated runner and heat riser tubes, EMPI chrome-plated air cleaner with washable gauze element and necessary hardware. Use with stock end castings (not included).