Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston Induction slots move air flow

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

2005 - KFX 400

Optimized pressure plate design provides our best lever feel

Vertex uses unique piston profiles and compression ratios

The rear chain guide is the Factory edition #1 Solid body Multipurpose version for MX or Off-road use

Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston Induction slots move air flowVertex 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