American Racing Solutions 4.2 Inch 10 Rib Billet Water Pump Pulley 4 Bolt (ARS4.2W4) - 2011+ Mustang GT 5.0L
Enhance the durability and performance of your engine’s accessory drive system with the American Racing Solutions 4.2 inch 10 rib Billet Water Pump Pulley. Designed specifically for 2011 and newer Mustang GT 5.0L applications, this pulley delivers improved strength, precision, and reliability for high-performance builds.
Machined from premium 6061-T6 billet aluminum, this pulley offers superior strength compared to factory components while maintaining a lightweight design. The black anodized finish provides a hardened surface for increased durability and resistance to wear, making it ideal for both street and high-performance applications.
Performance and Construction
This 4.2 inch pulley features a 10 rib design for increased belt contact and improved grip in high-load environments. The billet aluminum construction ensures long-term durability while reducing rotational mass for more efficient operation.
Features
- 4.2 inch diameter water pump pulley
- 10 rib design for improved belt engagement and stability
- 4 bolt mounting configuration
- Machined from high-quality 6061-T6 billet aluminum
- Black anodized finish for enhanced durability and corrosion resistance
- Lightweight construction reduces rotational mass
- Designed for high-performance and street applications
Fitment
- 2011 Ford Mustang GT 5.0L
- 2012 Ford Mustang GT 5.0L
- 2013 Ford Mustang GT 5.0L
- 2014 Ford Mustang GT 5.0L
- 2015 Ford Mustang GT 5.0L
- 2016 Ford Mustang GT 5.0L
- 2017 Ford Mustang GT 5.0L
- 2018 Ford Mustang GT 5.0L
- 2019 Ford Mustang GT 5.0L
- 2020 Ford Mustang GT 5.0L
- 2021 Ford Mustang GT 5.0L
- 2022 Ford Mustang GT 5.0L
- 2023 Ford Mustang GT 5.0L
- 2024 Ford Mustang GT 5.0L
- 2025 Ford Mustang GT 5.0L
- 2026 Ford Mustang GT 5.0L
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