Restore smooth engine performance with this pair of direct-fit fuel injectors engineered for Polaris turbocharged RZR models from 2017–2026. Each injector is calibrated to match OEM flow rates while featuring an enhanced multi-hole pintle design for improved fuel atomization, helping reduce misfires, hesitation, and inconsistent throttle response. These injectors install in place of the factory components using existing hardware and electrical connectors with no modifications required. Compatible with 2017–2020 RZR XP Turbo and XP 4 Turbo; 2020–2026 RZR Pro XP and Pro XP 4; 2025–2026 RZR Pro S and Pro S4; 2022–2024 RZR Turbo R and Turbo R 4; and 2020–2021 RZR Turbo S and Turbo S 4. Direct replacement for Polaris part numbers 2521718 and 2521914. Sold as a pair. Fitment 2017–2020 RZR XP Turbo 2017–2020 RZR XP 4 Turbo 2020–2026 RZR Pro XP 2020–2026 RZR Pro XP 4 2025–2026 RZR Pro S 2025–2026 RZR Pro S4 2022–2024 RZR Turbo R 2022–2024 RZR Turbo R 4 2020–2021 RZR Turbo S 2020–2021 RZR Turbo S 4 Replaces Polaris Part Numbers 2521718, 2521914