Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersThree options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreMatched with Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long lifeNo need to check piston-to-cylinder clearance, just installKits come complete with gaskets, cylinder, piston, rings, pin and clipsBig bore cylinders do not require machine work (unless noted)Replacement Vertex piston, rings, clips and pins also available; see page ???