aFe Power bolt-on supercharger power pulley kit. Reducing the pulley diameter spins the supercharger faster for more boost and power. CNC-machined 6061-T6 billet aluminum pulley on a 17-4 stainless steel hub, black hard-anodized. Special tools are required to remove the factory pulley; professional installation recommended. Tuning required. 2.85in (72.5mm) pulley - approx +3 PSI; requires the smaller Gates K100572HD belt (included hardware: screws, washers, thread locker).
| Brand | aFe Power |
| Type | Supercharger power pulley kit |
| Pulley size | 2.85in (72.5mm) |
| Boost gain | ~+3 PSI |
| Belt | Gates K100572HD (smaller, required) |
| Fitment | 15-23 Dodge Hellcat Challenger/Charger + Durango/Trackhawk/TRX |
Documents: Installation Instructions (PDF)
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018 | Dodge | Challenger | SRT Demon |
| 2015-2022 | Dodge | Challenger | SRT Hellcat |
| 2023 | Dodge | Challenger | SRT Hellcat Jailbreak |
| 2019-2022 | Dodge | Challenger | SRT Hellcat Redeye |
| 2023 | Dodge | Challenger | SRT Hellcat Redeye Jailbreak |
| 2019-2022 | Dodge | Challenger | SRT Hellcat Redeye Widebody |
| 2023 | Dodge | Challenger | SRT Hellcat Redeye Widebody Jailbreak |
| 2018-2022 | Dodge | Challenger | SRT Hellcat Widebody |
| 2023 | Dodge | Challenger | SRT Hellcat Widebody Jailbreak |
| 2022 | Dodge | Challenger | SRT Jailbreak |
| 2020-2023 | Dodge | Challenger | SRT Super Stock |
| 2015-2020 | Dodge | Charger | SRT Hellcat |
| 2021-2023 | Dodge | Charger | SRT Hellcat Redeye Widebody |
| 2023 | Dodge | Charger | SRT Hellcat Redeye Widebody Jailbreak |
| 2020-2023 | Dodge | Charger | SRT Hellcat Widebody |
| 2023 | Dodge | Charger | SRT Hellcat Widebody Jailbreak |
| 2022 | Dodge | Charger | SRT Jailbreak |
| 2021,2023-2024 | Dodge | Durango | SRT Hellcat |
| 2023-2024 | Dodge | Durango | SRT Hellcat Plus |
| 2023-2024 | Dodge | Durango | SRT Hellcat Premium |
| 2018-2021 | Jeep | Grand Cherokee | Trackhawk |
| 2021-2024 | Ram | 1500 | TRX |
