TBparts - 143cc Bore Kit w/ V2 Race Head and Intake Manifold Kit for Z125

A great upgrade for your Z125! This kit uses a large 60mm piston paired with a V2 race head to give a huge bump in power.

Key features:

• Lightweight high compression 60mm piston (Select Cast or Forged option below)
• Aluminum cylinder for better heat dissipation and further weight reduction from stock.
• V2 roller rocker race head provides much larger valves and aggressive cam with roller rocker arms.

Includes:

• TBW0459 - V2 roller rocker head
  
• TBW1390 - High compression cast piston kit (Optional TBW1579 forged HC piston kit below)
  
• TBW1224 - Intake kit for V2 race head for Z125
  
• TBW0645 - Cam sprocket for Z125 KLX110 & KLX110L 2010 UP For TB Race Heads
  
• TBW0306 - Top end gasket set 
  
• TBW0378 - 60mm cylinder
  
• TBW1777 or TBW0473 or TBW1775 or TBW0577 camshaft
  

Application:

• Kawasaki Z125 - All years
  

Note:
MUST BE USED WITH AN AFTERMARKET FUEL CONTROLLER TO PREVENT A LEAN CONDITION AND DAMAGE TO YOUR ENGINE
WE RECOMMEND PREMIUM FUEL

Available Options:

Cam Selection:
TBW1777 - Stage 1 CamshaftTBW0473 - Stage 2 CamshaftTBW1775 - Stage 3 CamshaftTBW0577 - Stage 4 Camshaft
Piston Choice:
Cast Piston Kit TBW1390Forged Piston Kit TBW1579 (+$30.00)