Perrin 2021+ Subaru WRX Lightweight Water Pump Pulley
This water pump pulley improves engine response by reducing the weight of the rotating assembly. You will feel the difference every time you step on the gas pedal!
Weighing in at 218 grams, this pulley is 127 grams lighter than the factory unit. This easy-to-install part provides noticeable gains in throttle response, horsepower, and torque.
Features: High-quality aluminum construction
Benefits: Improved response via rotational mass reduction
Fitment: 2021+ Subaru WRX
Includes: 1x Water pump pulley
Warranty: Perrin standard warranty (manufacturing defects, shipping damage)
