GFB lightweight aluminum water pump pulley for 2013+ Subaru BRZ and 2013+ Scion FR-S is CNC-machined from a single billet of 6061-T6 aluminum to reduce rotating mass. Intended to lower accessory inertia by as much as 85%, the lightweight pump pulley aims to free torque previously used to accelerate heavier stock components. Designed as a bolt-on component and thoroughly tested to avoid negative effects on driven accessories.
GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Aluminum Water Pump Pulley