Every Edelbrock carburetor is manufactured by Magneti Marelli Powertrain USA Inc. and has been specifically designed and tuned by Edelbrock engineers to provide the widest overall torque range. For unmatched street performance, combine them with Edelbrock Performer, Performer Air-Gap, Performer EPS, Performer RPM, RPM Air-Gap or Torker II manifold and camshaft combinations, as well as most stock and other aftermarket manifolds of similar design.