TBPARTS - 178CC BIG BORE KIT, RACE HEAD V2, AND INTAKE MANIFOLD KIT Z125
This is the largest bore kit available from TBParts. WIth a 67mm piston and V2 race head, this will transform your Z125 into a powerhouse!
- Lightweight high compression 67mm piston
- 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.
- Kawasaki Z125
Case boring required
MUST BE USED WITH AN AFTERMARKET FUEL CONTROLLER TO PREVENT A LEAN CONDITION AND DAMAGE TO YOUR ENGINE
WE RECOMMEND PREMIUM FUEL