Supertech Valve Guides for Subaru EJ WRX/STi
Supertech maganese bronze valve guides for EJ20/EJ25 Subaru WRX and STi. These guides are available for intake and exhaust valves. Sold as a set of 8 guides or individually as needed. You'll need 16 guides for a whole set. Please do all your research and consult your engine builder if necessary!
Vehicle Fitment:
2002-2014 Subaru WRX
2004-2021 Subaru STi
EJ20/EJ25
Oversized guide sizing are for the OD, not the ID for the valve stem. These are Supertech Valve Guides are precision-machined from high quality Manganese Bronze material. Designed to be used in combination with Supertech's low friction black nitrided valves to provide the best solution for both performance and durability.
Images are for reference.
Vehicle Fitment:
2002-2014 Subaru WRX
2004-2021 Subaru STi
EJ20/EJ25
| Guide: | Diameter: | Includes: | Part Number: |
| Exhaust | OD 11.08mm(Standard) 47.50mm Length 6mm Stem |
8 Guides | GDE-SUEJ6-E-8 |
| 1 Guide | GDE-SUEJ6-E-1 | ||
| Intake | OD 11.08mm(Standard) 39.50mm Length 6mm Stem |
8 Guides | GDE-SUEJ6-I-8 |
| 1 Guide | GDE-SUEJ6-I-1 |
Images are for reference.
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