Included Items in This Bundle:(QTY 1) NICHE 519-CSP2243K / 2-BR8ES Spark PlugSubstitute For OEM Part Numbers(s): 3089277, 3070171, 3070156(QTY 1) NICHE 519-KGS2264K Gasket KitSubstitute For OEM Part Numbers(s): 3086757, 3084439, 3084292, 3084033, 3084017, 3084016, 3084015, 3083768, 3083733, 3083676, 3083540, 3082510(QTY 1) NICHE 519-KPS2217T Piston KitSubstitute For OEM Part Numbers(s): 3083942, 3083839, 3083771, 3083628, 3083627, 3083626, 3083546, 3083512Fits The Following OEM Models:Polaris 300 2X4: 1994-1995Polaris 300: 1994-1995Polaris Big Boss 250 4X6: 1989-1992Polaris Big Boss 250 6X6: 1991-1993Polaris Big Boss 300 6X6: 1994Polaris Lite Indy Deluxe: 1992-1995Polaris Lite Indy GT: 1993-1994Polaris Lite Indy: 1992-1995Polaris SP Indy 500: 1992Polaris Sport 400L: 1996-1997Polaris.