This is a replacement parts kit for HURST AIRHEART brake master cylinders.

KIT INCLUDES:

• red cap plug
  
• stainless cover screws (x2)
  
• stainless piston retaining screw
  
• piston quad ring seal (Buna-N rubber seal will work with both red mineral fluid and clear automotive fluid)
  
• piston cylinder cup
• lever roll pin
  
• stainless cotter pin (safety requirement for vintage kart racing)