Niche 2915 is a brand new standard bore Cylinder, Wiseco Piston, Gasket and Stud Kit. All of the components within this kit are bolt-on ready for a hassle free installation. The Cylinder is manufactured from high-grade cast aluminum with a solid steel sleeve for added longevity. The Performance Piston and Piston Rings are forged and manufactured by Wiseco. Our Gaskets are all top quality and will keep a perfect seal between all of the components. Our Kits have been engineered and tested to exceed original equipment standards. Quality and performance guaranteed!