
TB 143cc Bore Kit, Race Head V2, and Intake Manifold Kit
TB 143cc Big Bore Kit, Race Head V2, and Intake Manifold Kit – If looking for more power for your Z125, you’ve come to the right place! The parts in this kit were developed to work flawlessly with each other to deliver a high level of performance at an affordable price. While we sell each part of this kit separately, running the combination of the big bore kit, race head, and intake kit is where you will see the most power and performance gains for the best value. These are high quality parts and the increased power will not disappoint. Here’s whats included in this kit: 143cc Big Bore Kit: 60mm Ceramic coated all aluminum cylinder (no steel sleeve) Lightweight high compression domed 60mm piston with rings, pin, & clips (will safely run on pump gas, 90-93 octane) Head gasket kit – Now includes the cylinder head o-ring set and an exhaust gasket. The all aluminum ceramic coated cylinder is not only lighter than a steel sleeved aluminum cylinder, it is harder, reduces friction (in