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GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single GSC Power Division GSC2014-01
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GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single

GSC2014-01
GSC2014-01
Valves
20+ Units In Stock - Ships Next Business Day
$ 25.32 $ 21.52
$ 21.52

SKU: 2014-01 | UPC: GSC2014-01

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single Fits 1999-2015 Impreza WRX STI

GSC Power-Division chrome polished intake valve delivers a 37mm head diameter (+1mm over stock) for Subaru EJ205 EJ207 and EJ257 engines. It fits 1999-2015 Subaru Impreza WRX STI models plus select Saab 9-2X delivering higher airflow for power gains. The single valve design with advanced stem finishing resists wear in high boost setups.

Key Features

  • 37mm Head (+1mm): Increases airflow into cylinders supporting higher RPM power
  • Chrome Polished Stem: Transfers heat efficiently to guide and seat reducing friction and wear
  • One-Piece Forged Steel: 21-4N stainless construction handles extreme boost and heat cycles
  • 7.00mm Stem (6.98mm tip): Direct OEM-spec fit with 113.74mm overall length for drop-in install
  • Swirl Polished Head: Smooths flow paths minimizing turbulence for efficient combustion

Product Notes

  • Sold individually order 8 for complete EJ20 or EJ25 turbo intake set
  • Pair with GSC valve seals for leak-free operation
  • Box dimensions 6in x 4in x 1in protects during transit

Installation Notes

  • Professional installation recommended.
  • Valve length 113.74mm matches stock EJ heads no machining needed
  • Compatible with OEM or GSC beehive springs check installed height

This Part Fits

Year Make Model Submodel
1999-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005-2011 Subaru Impreza Outback Sport
2005 Saab 9-2X Aero
2006-2011 Subaru Impreza 2.5i
2009-2010 Subaru Impreza 2.5 GT
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2014 Subaru Impreza Premium
2012-2014 Subaru Impreza Sport Limited
2012-2014 Subaru Impreza Sport Premium
2012-2014 Subaru Impreza Base
2012-2014 Subaru Impreza Limited
2015 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015 Subaru WRX STI Limited

Why Choose GSC Power-Division?

  • Engineered for motorsport use in WRX STI race programs
  • Precision CNC machined for consistent performance
  • Backed by real-world testing on dyno and track

Frequently Asked Questions

  • Q: Will this valve fit 2004-2014 Subaru Impreza WRX STI EJ257 heads?
    A: Yes direct replacement with 37mm head and 113.74mm length for stock or ported heads
  • Q: What finish and material details?
    A: Forged 21-4N stainless steel with chrome polished stem and swirl polished head for flow and heat management
  • Q: What about warranty and install?
    A: Lifetime warranty against defects professional install ensures proper spring pressure and sealing

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective sleeve in 6 x 4 x 1 inch box
  • Weight: 0.15 lbs

Request For Information

Have questions about GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single? Fill out the form below and we'll get back to you by the next business day.
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