Ferrea valve springs and retainers kit for Subaru Impreza WRX STI 01-18
This kit of 16 forged Ferrea Racing Super Alloy / Super Flo engine valves is available with original sizes for direct installation on OEM head or 1mm larger for installation with machined head. Specific upgrade for the EJ20 / EJ25 engines found in Impreza WRX STI 01-07, these Competition Plus valves are designed to handle extreme pressures, temperatures and power !
- Select your diameter -
Direct bolt on (OEM diameter)
Super Alloy / Competition Plus series
16 valves kit (intake and exhaust)
OEM size or +1mm (machined head) to select
Diameter intake : head 36mm (OEM) / stern 5,97mm
Diameter exhaust : head 32mm (OEM) / stern 5,96mm
Overall Length : intake 104.60mm / exhaust 104.75mm
Made in USA
| Brand | Model | Type | Version |
|---|---|---|---|
| Subaru | Impreza | GD - 01-07 | STI - 265 |
| Subaru | Impreza | GD - 01-07 | STI - 280 |
This kit of 16 forged Ferrea Racing Super Alloy / Super Flo engine valves is available with original sizes for direct installation on OEM head or 1mm larger for installation with machined head. Specific upgrade for the EJ20 / EJ25 engines found in Impreza WRX STI 01-07, these Competition Plus valves are designed to handle extreme pressures, temperatures and power !
- Select your diameter -
Direct bolt on (OEM diameter)
Super Alloy / Competition Plus series
16 valves kit (intake and exhaust)
OEM size or +1mm (machined head) to select
Diameter intake : head 36mm (OEM) / stern 5,97mm
Diameter exhaust : head 32mm (OEM) / stern 5,96mm
Overall Length : intake 104.60mm / exhaust 104.75mm
Made in USA
| Brand | Model | Type | Version |
|---|---|---|---|
| - Except special mention indicated on the product description - | |||
| Subaru | Impreza | GD - 01-07 | STI - 265 |
| Subaru | Impreza | GD - 01-07 | STI - 280 |
- Further information -
Our technical specifications and compatibilities refer to the standard equipment of the vehicles mentioned, in case of doubt about the compatibility of a product, please contact our customer service to answer your questions.
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