Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston Vertex uses unique piston profiles

Vertex uses unique piston profiles and compression ratios

Induction slots move air flow and have been race tested to improve air cooling to the rear disc

2003-2005 DR-Z110

2005 - KFX 400

Optimized pressure plate design provides our best lever feel

Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston Vertex uses unique piston profilesVertex Top End Piston Kit provide everything you need for your top end rebuild, eliminating the hassle of sourcing components separately. Kit includes a Vertex piston, rings, wrist, pin, circlips and a top end gasket kit. Exact fit A, B, or C pistons match the cylinder bore perfectly to maximize power and performance. Kits are available for both 2 stroke and 4 stroke applications. 2 stroke applications include a wrist pin bearing. 4 stroke