Wiseco Piston Kit - 4.016" - 114" M8 40250Ps

• ArmorFit proprietary coating technology conforms to bore and reduces operating friction and noise • AmorX coating is applied to piston crown, ring grooves, and pin bore through the proprietary electrochemical-process and materials • Greatly increased resistance to wear and damage caused by heat and detonation, plus resists ring micro welding - Harley-Davidson Softail Fat Bob 114 FXFBS (2021, 2019, 2018, 2020); Harley-Davidson Softail Heritage Classic 114 FLHCS (2019, 2021, 2018, 2020); Harley-Davidson CVO Street Glide FLHXSE (2019, 2018, 2017, 2020, 2021); Harley-Davidson FXDR 114 (2019, 2020); Harley-Davidson Softail Breakout 114 FXBRS (2019, 2018, 2020); Harley-Davidson Softail Fat Boy 114 FLFBS (2018, 2020, 2019, 2021)