Ready-to-install, direct bolt-on cylinders require no re-plating and lookvirtually identical to the OEM cylindersThree kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreCylinder kits include matched Vertex pistons to ensure longevity, performance and reducedengine noiseNickel Silicon Carbide plated for long lifeKits come complete with gaskets, cylinder, piston, rings, pin and clips