Brian Crower 6mm Intake Valve Guides - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

Spectral Performance carries a great variety of drivetrain upgrades brought to you by Brian Crower. 

Here, you are looking at the Brian Crower 6mm Intake Valve Guides. These are made using durable materials and are ideal for those of you rebuilding your head and want premium materials to sustain larger power gains, and where the engine will live at higher RPM's. 

DETAILS:

• Made from manganese silicon aluminum bronze alloy materials
• CNC machined to exacting tolerances
• 6mm in size
• Resistant to cracking and corrosion
• Reduces friction and insures high lubrication at elevated engine temperatures
• 100% compatible with BC's lineup of stainless steel valves
• Includes (8) intake valve guides