SKU: 24996-AK024 | UPC: 4957266600351
HKS FINE TUNE V-BELT/4PK1160 for 2008-2021 Subaru WRX STI
The HKS Fine Tune V-Belt 4PK1160 delivers direct OEM replacement for accessory drive on 2008-2021 Subaru WRX STI models with EJ257 engines. This 1160mm 4-rib belt powers alternator and A/C under high RPM and boost in tuned setups for consistent performance. Its durable construction outlasts stock belts in demanding track and street use.
Key Features
- High Friction Rubber: Special compound grips pulleys firmly to prevent slip during aggressive acceleration and track runs
- Low Stretch Fiber Cord: Kevlar-reinforced core maintains tension over time reducing maintenance needs
- Heat Resistant EPDM Cover: Shields against engine bay temperatures and ozone for crack-free longevity
- Precise 4PK1160 Sizing: Matches OEM specifications at 1160mm length and 16.5mm width for bolt-on fit
- High RPM Durability: Built to withstand tuned engine stresses beyond stock capabilities
Product Notes
- Direct OEM replacement no modifications required
- Inspect tensioner and pulleys during replacement for best results
- Packaged in protective sleeve to prevent handling damage
Installation Notes
- Professional installation recommended.
- Use belt tension gauge or Subaru service manual specs for proper tension
- Compatible with factory tensioner and idler pulley hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza WRX | STI |
| 2008-2014 | Subaru | Impreza WRX | STI Limited |
| 2015-2021 | Subaru | WRX STI | All |
| 2015-2021 | Subaru | WRX STI | Limited |
Why Choose HKS?
- Motorsport heritage since 1973 with wins in Super GT and rally
- Engineered and manufactured in Japan for JDM precision
- Proven in high-boost Subaru applications worldwide
Frequently Asked Questions
- Q: Will this belt fit my 2015 WRX STI hatchback?
A: Yes it is a direct fit for all 2015-2021 WRX STI hatchback and sedan models with the EJ257 engine - Q: What rubber compound is used?
A: Proprietary high-grip CR rubber with EPDM outer layer for heat resistance up to 120C - Q: What is the warranty and install process?
A: HKS offers 1-year warranty against defects. Installation takes 30 minutes with basic tools release tensioner and route belt per diagram
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 6 x 4 x 1 inches
- Weight: 0.22 lbs
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