Go Fast Bits
GFB 02-10 WRX/STI 2 Piece Under-Drive Pulley Kit w/ Belts (Crank & Alternator) Pulley Kit
SKU: gfb2001
GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
Ships within 1-2 business days - free shipping
Overview
GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt-on performance advantage without the need for supporting mods or tuning
Features
- SHARPER THROTTLE RESPONSE AND "URGE", ENGINE FEELS MORE LIVELY AND WILLING TO REV, UP TO 85% ROTATING INERTIA REDUCTION, WILL NOT CAUSE ENGINE DAMAGE, NO NEGATIVE EFFECTS ON DRIVEN ACCESSORY PERFORMANCE
Installation (catalog file)
Similar Items
Fitment notes (catalog)
Subaru Suits WRX/STi MY94-07, Forester MY98-07, Legacy MY03-07)
Summarized compatible vehicles also appear under Description → Fitment.
Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.