













































































































































GFB Lightweight Underdrive Pulley Kits reduce rotating mass and parasitic drag on the engine. Machined from aircraft-grade aluminium, these pulleys are significantly lighter than factory steel units and underdrive the accessories to free up horsepower.
Key Features:
| Vehicle / Application |
|---|
| 2-piece underdrive pulley kit (Crank and alternator pulleys & belts. Suits WRX/STi MY94-07, Forester MY98-07, Legacy MY03-07) |
2001
GFB (Go Fast Bits) is an Australian manufacturer of high-quality turbo management products. Every GFB product is designed and CNC machined in-house in Sydney, Australia, using premium materials including aerospace-grade aluminium and brass. GFB products are trusted by performance enthusiasts and professional tuners worldwide.
Ships from New Zealand. Contact EuroLab for fitment advice or bulk enquiries.
✅ NZ-Owned & Operated — Auckland-based workshop at 27A Neilpark Drive, East Tāmaki
🛠️ Professional Installation Available — EuroLab can install this for you. Book here
🚚 Nationwide NZ Shipping — Calculated at checkout. Urban 1–3 days, rural 2–5 days. Free local pickup available
🔄 Returns & Warranty — Faulty products replaced. See our returns policy
📞 Questions? — Call 0800 276 968 or email admin@eurolab.co.nz
