Included Items in This Bundle:(QTY 1) NICHE 519-CCY2224H Cylinder HeadSubstitute For OEM Part Numbers(s): 21W-11111-00-00(QTY 1) NICHE 519-CCY2224L Engine CylinderSubstitute For OEM Part Numbers(s): 3E5-11311-01-00, 18E-11311-00-00(QTY 1) NICHE 2-BP6HS Spark PlugSubstitute For OEM Part Numbers(s): NGK-BPR7H-S0-00, NGK-BP7HS-00-04, NGK-BP7HS-00-00, NGK-BP6HS-00-00, BPR-7HS00-00-00, BP7-HS000-40-00, BP6-HS000-00-00, 94701-00227-00(QTY 1) NICHE 519-KGS2224K Cylinder Head & Base Gasket KitSubstitute For OEM Part Numbers(s): (QTY 1) NICHE 519-KPS2224T Piston KitSubstitute For OEM Part Numbers(s): 5T0-11636-00-00, 5T0-11635-00-00, 3E5-11636-00-00, 3E5-11635-00-00, 3E5-11631-00-98, 3E5-11631-00-97, 3E5-11631-00-96, 1RY-11636-00-00, 1RY-11635-00-00, 1RY-11631-00-96(QTY 1) NICHE 519-KST2224D.