Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston The rear chain guide is

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

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

Vertex uses unique piston profiles and compression ratios

sizing adjustments and three-dimensional design for perfect fit and comfort

The best full coverage skid plate for your Kawasaki  on the market today

Vertex Forged HC Top End Kit 2008-13 Yamaha YZ250F | VTKTC23394 Size:76.96/STD - B Piston The rear chain guide isVertex 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