Brian Crower BC3605-S 33.0 mm (+1mm) Exhaust Valves for 2002-2009 WRX

Vehicle Fitment

• 2002-2009 Subaru WRX (EJ205/EJ255/EJ257)
• 2004-2009 Subaru STI (EJ257)

Features

• One-piece stainless steel construction with friction-welded Stellite tips
• Heat-resistant material suitable for high-boost and high-RPM applications
• Undercut stem design reduces overall weight for extended RPM potential
• Swirl-polished finish under the head enhances exhaust flow
• Oversized head diameter of 33.0 mm (+1mm over OEM)
• Stem diameter of 5.96 mm
• Overall length of 104.7 mm
• Set includes 8 exhaust valves

Included Components

• 8x exhaust valves (33.0 mm, +1mm over OEM size)

Product Description

The Brian Crower BC3605-S exhaust valve set is designed specifically for the Subaru EJ series engines, including the 2002-2009 WRX (EJ205/EJ255/EJ257) and the 2004-2009 STI (EJ257). These valves are crafted from premium-grade, heat-resistant stainless steel and feature friction-welded Stellite tips for enhanced durability under high-boost and high-RPM conditions.

Featuring an undercut stem design, these valves reduce overall weight, allowing for extended RPM potential and improved engine response. The swirl-polished finish under the head area not only enhances exhaust flow but also contributes to the overall performance gains. With an oversized head diameter of 33.0 mm (+1mm over OEM), these valves are a direct replacement for the OEM valves, ensuring compatibility and ease of installation.

This set includes 8 exhaust valves, covering all exhaust ports in your 4-cylinder engine. Whether you're restoring a classic WRX or building a high-performance engine, the BC3605-S valves offer reliable and efficient performance.