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The GFB lightweight 3-piece underdrive pulley kit for 1994–1998 Subaru WRX replaces crank, alternator and power steering pulleys with CNC-machined 6061‑T6 aluminum units and includes belts for a bolt-on install. By significantly reducing rotating mass it reduces accessory inertia and sharpens throttle response. Kits are precision machined and tested so underdrive benefits are realized without compromising accessory performance; installation requires no supporting mods or tuning in most applications.
GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc)
