Brian Crower BC1600 Valve Springs for 2002-2014 Subaru WRX/EJ205 & EJ257 STI

Vehicle Fitment

• 2002-2005 Subaru Impreza WRX (EJ205)
• 2004-2014 Subaru Impreza WRX STI (EJ257)
• 2005 Saab 9-2X Aero (EJ205)

Features

• High-performance valve springs designed for high RPM applications
• Manufactured by PAC Racing using premium chrome silicone alloy
• Proprietary processing ensures consistent spring pressures
• Compatible with OEM and BC2300 series titanium retainers
• Coil bind at 0.850" for added durability
• Net cam lift clearance up to 0.480" (12.19mm)
• Ideal for both street and track performance builds
• Designed to prevent valve float at high RPMs

Specifications

• Free Length: 1.788"
• Seat Pressure: 1.420" @ 80 lbs
• Open Pressure: 1.000" @ 178 lbs
• Coil Bind: 0.850"
• Net Cam Lift: 0.480" (12.19mm)
• Retainer Compatibility: BC2300-16, BC2300S-16, OEM
• Spring Seat Compatibility: OEM

Included Components

• 1x Brian Crower BC1600 Valve Spring

Product Description

The Brian Crower BC1600 valve spring is engineered to support high RPM performance in Subaru's EJ205 and EJ257 engines. Constructed from premium chrome silicone alloy by PAC Racing, these springs undergo proprietary processing to ensure consistent pressures, even under extreme conditions. The BC1600 is compatible with both OEM and BC2300 series titanium retainers, offering versatility for various builds.

With a free length of 1.788" and a coil bind at 0.850", the BC1600 provides ample clearance for aggressive cam profiles, supporting net cam lifts up to 0.480" (12.19mm). The spring's seat pressure of 80 lbs at 1.420" and open pressure of 178 lbs at 1.000" ensure reliable valve control at high RPMs, effectively preventing valve float.

Whether you're building a street performance engine or preparing for track use, the BC1600 valve spring is a reliable choice to enhance your engine's performance capabilities.