Valve Tappet, Graded 4.775, Part 5138477-478 is a genuine OEM critical component of the engine. It's tested by Polaris engineers to ensure high quality and durability through tens of thousands of miles of field testing. Our parts work harder so you don't have to. We've been a leader in the powersport industry for nearly 70 years, don't settle for anything less than OEM quality. This Accessory is Designed to Fit the Following: General , 2025 GENERAL 4 1000 Sport , 2024-2025, 2022 GENERAL 1000 Premium , 2023-2025 GENERAL XP 4 1000 Ultimate , 2023-2025 GENERAL XP 4 1000 Sport , 2023-2025 GENERAL XP 4 1000 Premium , 2023-2025 GENERAL XP 1000 Ultimate , 2023-2025 GENERAL XP 1000 Sport , 2023-2025 GENERAL XP 1000 Premium , 2022-2025 GENERAL 1000 Sport , 2022 GENERAL XP 4 1000 Trailhead Edition , 2022 GENERAL XP 4 1000 Deluxe RIDE COMMAND Edition , 2022 GENERAL XP 4 1000 Deluxe , 2022 GENERAL XP 1000 Trailhead Edition , 2022 GENERAL XP 1000 Deluxe RIDE COMMAND Edition , 2022 GENERAL XP 1000 Deluxe , 2022 GENERAL 4 1000 Premium , 2022 GENERAL 4 1000 Deluxe RIDE COMMAND Edition , 2022 GENERAL 1000 Deluxe RIDE COMMAND Edition , 2022 GENERAL 1000 Deluxe , 2021 Polaris GENERAL XP 4 1000 Pursuit Edition , 2021 Polaris GENERAL XP 4 1000 , 2021 Polaris GENERAL XP 1000 Pursuit Edition , 2021 Polaris GENERAL XP 1000 , 2021 Polaris GENERAL 4 1000 Premium , 2021 Polaris GENERAL 4 1000 Deluxe , 2021 Polaris GENERAL 1000 Premium , 2021 Polaris GENERAL 1000 Deluxe , 2021 general-xp-4-1000-factory-custom-edition , 2021 general-xp-1000-factory-custom-edition , 2021 General 4 1000 Deluxe Ride Command Edition , 2021 General 1000 Deluxe Ride Command , 2020-2021 Polaris GENERAL 1000 Sport , 2020-2021 General XP 1000 , 2020 Polaris GENERAL XP 4 1000 Deluxe , 2020 Polaris GENERAL XP 1000 Deluxe , 2020 Polaris GENERAL 4 1000 EPS Deluxe , 2020 Polaris GENERAL 4 1000 EPS , 2020 Polaris GENERAL 1000 EPS Premium , 2020 Polaris GENERAL 1000 EPS Deluxe , 2020 Polaris GENERAL 1000