
- Stock: 2-3 Days
- Model: F1514P+F1520P
- Brand:
- EC Approved: NO
Stocked and shipped from the EU
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Enhance your vehicle's performance with our premium 16-piece forged valve kit from Ferrea Racing, crafted from Super Alloy for exceptional durability. This kit is specifically designed for EJ20 / EJ25 engines in the 2001-2007 Impreza WRX STI, offering both OEM and machined head options. Choose from direct bolt-on installation with original sizes or opt for a 1mm increase for machined heads. Each set includes 8 intake and 8 exhaust valves, featuring:
- Available in Super Alloy / Competition Plus series for maximum performance under extreme conditions.
- Intake valve dimensions: head diameter 36mm (OEM), stem diameter 5.97mm.
- Exhaust valve dimensions: head diameter 32mm (OEM), stem diameter 5.96mm.
- Overall lengths are 104.60mm for intake valves and 104.75mm for exhaust valves.
- Proudly made in the USA.
Select the diameter that fits your setup—either OEM or +1mm—to boost your engine's efficiency and power.
2025 - This material is exclusively copyrighted and reserved

Manufacturer | Model | Type | Version |
---|---|---|---|
Subaru | Impreza | GD - 01-07 | STI - 280 |
Subaru | Impreza | GD - 01-07 | STI - 265 |



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