GSC Traditional Exhaust Valve Guide Set - Subaru EJ20 / EJ25 Epic Engineering Twin-Tube Structure - For Low

Twin-Tube Structure - For Low Resiliency & Securing Sufficient Stroke

Purchase this kit if you already own the IAG-AFD-2210 or IAG-AFD-2211 kit and would like to add a Flex Fuel Sensor

For Turbochargers with 2

We recommend it for cars up to 50-70% more power(depending on part number)

Please Note:

GSC Traditional Exhaust Valve Guide Set - Subaru EJ20 / EJ25 Epic Engineering Twin-Tube Structure - For LowGSC Power Division makes traditional exhaust valve guides that fit properly, easier to install and shaped to help air flow instead of just copying the OEM design. GSC's Subaru EJ20 EJ25 exhaust valve guides are made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center creating some of the tightest tolerances in the industry with the best quality control possible. *Note these guides do not feature a depth stop and