
lightweight BRZ/86/FR-S pulley kit

GFB 4001 Short Shift Kit
GFB 2100 Belt Set – High-Performance Replacement Belts
Maintain peak performance on your Subaru with the GFB 2100 Belt Set, designed as a direct replacement for GFB underdrive pulley kits. These high-quality belts ensure smooth operation, optimal tension, and reliable accessory drive for turbocharged engines.
🔧 What’s Included
- 5PK836 Belt – Main accessory drive belt
- 4PK850 Belt – Secondary belt for A/C or other accessories
These belts are precision-sized to fit GFB 2100 pulley kits and maintain the correct pulley ratios for maximum efficiency and performance.
✅ Key Features
- Direct replacement for GFB underdrive pulley kits
- Premium quality belts for durability and long service life
- Reduces slippage and maintains proper accessory tension
- Ideal for WRX, STi, Forester, and Legacy Subaru models using GFB pulley kits
🚗 Perfect For
- Routine maintenance or belt replacement
- Street or track performance Subaru builds
- Maintaining smooth and efficient operation of underdrive pulley systems
Upgrade your Subaru today for reliable performance, improved throttle response, and maximum accessory efficiency.
| Weight | 0.1 kg |
|---|---|
| Dimensions | 9 × 15.3 × 3 cm |
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