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Brian Crower 6mm Exhaust Valve Guides
Subaru Models (inc. 2002-2014 WRX / 2004+ STI)
Features & Product Details
RallySport Direct carries a great variety of drivetrain upgrades brought to you by Brian Crower.
Here, you are looking at the Brian Crower 6mm Exhaust 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.