Vertex VTK23928B-2 Top End Piston Kit - Standard Bore 53.95mm, Standard Compression drive-rollers-sliders-guides-chain-sliders MasterTune2-HD: An ECM calibration development

MasterTune2-HD: An ECM calibration development tool that allows you to:

2001-2004 KTM 125 EXC

2018-2021 Can-Am Defender HD5

1987-1997 Honda CR250R

2012-2013 Kawasaki KLE650 Versys

Vertex VTK23928B-2 Top End Piston Kit - Standard Bore 53.95mm, Standard Compression drive-rollers-sliders-guides-chain-sliders MasterTune2-HD: An ECM calibration developmentBore: 53. 95mm Compression: Standard Compression Sizing: Standard Bore One part number includes everything for a top end rebuild. Includes Vertex piston, rings, wrist, pin, circlips, and top end gasket kit. Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance. 2 stroke applications include wrist pin bearing. 4 stroke applications include Hot Cams cam chain for a more complete rebuild. Vehicle Fitment: 2014