1969-70 Performance Main Jet Kit. Kit includes a total of 16 Main Jets for Keihin Carbs. Use this jet kit to unleash the extra power you should have from your aftermarket exhaust, flee flowing air filters or any engine mods you have made.

Kit includes Main Jets #140 (X4), #142 (X4), #145 (X4), #148 (X4)

Fits: All Honda CB750K (1969-70) with Keihin Carbs