Racing Valve Set for 2004-2021 Subaru STI by Tomei

The oversized head diameter is designed specifically for each application, significantly improving the flow rate. Waisted stem allows a greater volume of air/gases to enter and exit the combustion chamber as the valve extends. The head, face, stem and lock groove designs have also been optimized to enhance sealing performance, efficiency and durability.

Features

• Intake Valve Material: SUH35 Heat Resistant Steel
• Intake Head Diameter: 37.00mm
• Intake Stem Diameter: 5.96mm
• Intake Valve Length: 104.35mm
• Exhaust Valve Material: Inconel 751 Alloy
• Exhaust Head Diameter: 33.00mm
• Exhaust Stem Diameter: 5.96mm
• Exhaust Valve Length: 104.70mm

Benefits

• High-flow
• Ultra durable
• Designed to withstand high power applications

Applications

• 2004-2021 Subaru STI EJ25/EJ20 Turbo

What’s In The Box?

• 1 – Set of Valves

Racing Valve Set for 2004-2021 Subaru STI by Tomei

The oversized head diameter is designed specifically for each application, significantly improving the flow rate. Waisted stem allows a greater volume of air/gases to enter and exit the combustion chamber as the valve extends. The head, face, stem and lock groove designs have also been optimized to enhance sealing performance, efficiency and durability.

Features

• Intake Valve Material: SUH35 Heat Resistant Steel
• Intake Head Diameter: 37.00mm
• Intake Stem Diameter: 5.96mm
• Intake Valve Length: 104.35mm
• Exhaust Valve Material: Inconel 751 Alloy
• Exhaust Head Diameter: 33.00mm
• Exhaust Stem Diameter: 5.96mm
• Exhaust Valve Length: 104.70mm

Benefits

• High-flow
• Ultra durable
• Designed to withstand high power applications

Applications

• 2004-2021 Subaru STI EJ25/EJ20 Turb