GSC Power-Division Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models Tool Top Grain leather with Airleather

Top Grain leather with Airleather grip and carbon inserts

Larger injectors may require upgraded fuel pump and regulator

Set includes 4 injectors

The Mitsubishi Evolution mount is designed to produce crisper gear shifts by preventing the front end of the engine from pitching up or down

of torque over the factory exhaust

GSC Power-Division Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models Tool Top Grain leather with AirleatherPart #: 3028 8 What they have done is actually quite simple, they made valve guides that fit properly, are easier to install, and shaped to help air flow instead of just copying the OEM design. The GSC Power Division valve guides are made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center. What this means for you and your installer is less time fitting guides to the head due to holding the tightest tolerances in