Our 9090K lever comes with a stainless steel swivel, which is secured by a small e-clip on the back. The lever has a cross hole sized for the typical 3/16th diameter linkage rod, secured by a black knurled-tip set screw. It is a new take on the traditional multi-carb linkage arm, featuring zinc die-cast construction with a modern H-beam section for strength without excess weight. The lever also has a small feature line at the bottom edge for a period feel. The countersunk stainless steel screw matches those on the carb and threads directly into the arm.