KZ R1

 

  Flat head piston kit

 

    Build your own kit piston+combustion chamber

 


 

  Concave head piston kit

 

    Build your own kit piston+combustion chamber

 


 

  4° head piston kit

 

    Build your own kit piston+combustion chamber

 


 

  Truncated cone head piston kit

 

    Build your own kit piston+combustion chamber

 


 

  Standard superior gearbox bearings kit

 

    LOW FRICTION BEARINGS

       Build your own low friction gearbox kit: 1pc 6205 SS C4, 2pcs 6203 SS C4, 1pc NJ204-21
        If you need a longer bearing life, you can replace the 6205 ss c4 with 6205 HL C4

 


 

  Ceramic gearbox bearings kit

 

    build your own low friction gearbox kit 1pc 6205, 2pcs 6203, 1pc NJ204-21