Subaru — EJ257 / EJ255 Intake AVCS

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Subaru — EJ257 / EJ255 Intake AVCS

EJ255 - 2.5 litre DOHC AVCS turbocharged

North America:
Impreza: 2006 - 2014
Forester: 2004 - present
Legacy/Outback: 2005 - present
Baja: 2004 - 2006

Rest of the world:
Legacy/Outback: 2005 - present
Impreza: 2006 - 2014
European Imprezas and Legacies destined for Australia and South Africa.

EJ257 - 2.5 litre DOHC AVCS turbocharged

North America:
Impreza WRX STi 2004-2007
 
Rest of the world:
Asian, European Market Impreza WRX STi 05-07
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Valve Stem Diameter ( In )
Spring Kits
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Availability
Component type
Make
Includes Stopper
Application
Valve Guides
Outer Diameter ( IN )
Outer Diameter ( MM )
Total Length ( IN )
Total Length ( MM )
Valve Stem Diameter ( MM )
Valve Stem Diameter ( In )
Spring Kits
Setup
  • GSC Power-Division Traditional Intake Valve Guide for Subaru EJ20/25 Series

    GSC Power-Division Traditional Intake Valve Guides for Subaru EJ20/25 Series

    Intake Valve Guides

    Traditional Intake Valve Guides for Subaru EJ20/EJ25 Series

     SKU:GSC3028 Make:Subaru Total Length:1.557" / 39.55 mm Outer Diameter:0.4357" / 11.07 mm Valve Stem Diameter:0.2362” / 6 mm
    From $7.59
    From $7.59 $7.59
  • GSC Power-Division Traditional Exhaust Valve Guide for Subaru EJ20/25 Series

    GSC Power-Division Traditional Exhaust Valve Guides for Subaru EJ20/25 Series

    Exhaust Valve Guides

    Traditional Exhaust Valve Guides for Subaru EJ20/EJ25 Series

     SKU:GSC3027 Make:Subaru Total Length:1.873" / 47.57 mm Outer Diameter:0.4357" / 11.07 mm Valve Stem Diameter:0.2362” / 6 mm
    From $7.59
    From $7.59 $7.59
  • GSC Power-Division Intake Valve Guide for Subaru EJ20/25 Series with stopper

    GSC Power-Division Intake Valve Guides for Subaru EJ20/25 Series with stopper

    Exhaust Valve Guides

    Intake Valve Guides for Subaru EJ20/EJ25 Series with stopper

     SKU:GSC3026 Make:Subaru Total Length:1.560" / 39.62 mm Outer Diameter:0.4357" / 11.07 mm Valve Stem Diameter:0.2362” / 6 mm
    From $7.59
    From $7.59 $7.59
  • GSC Power-Division Exhaust Valve Guide for Subaru EJ20/25 Series with stopper

    GSC Power-Division Exhaust Valve Guides for Subaru EJ20/25 Series with stopper

    Exhaust Valve Guides

    Exhaust Valve Guides for Subaru EJ20/EJ25 Series with stopper

     SKU:GSC3025 Make:Subaru Total Length:1.873" / 47.57 mm Outer Diameter:0.4357" / 11.07 mm Valve Stem Diameter:0.2362” / 6 mm
    From $7.59
    From $7.59 $7.59
  • GSC Power-Division Intake Valve 37mm (+1mm) for the Subaru EJ20/EJ257 Turbo Engine

    GSC Power-Division Intake Valve 37mm (+1mm) for the Subaru EJ20/EJ257 Turbo Engine

    Intake Valves

    37mm (+1mm) Intake Valves for the Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2014 Make:Subaru Stem Diameter:6.0mm Overall Length:104.00 Head Diameter:37
    From $25.32
    From $25.32 $25.32
  • GSC Power-Division Super Alloy Exhaust Valve (+1mm) Head for the Subaru EJ20/EJ257 Turbo Engine

    GSC Power-Division Super Alloy Exhaust Valve (+1mm) Head for the Subaru EJ20/EJ257 Turbo Engine

    Exhaust Valves

    Super Alloy +1mm Head Exhaust Valves for Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2017 Make:Subaru Stem Diameter:6.0mm Overall Length:104.25 Head Diameter:33.00
    From $45.06
    From $45.06 $45.06
  • GSC Power-Division Exhaust Valve 33mm (+1mm) for the Subaru EJ20/EJ257 Turbo Engine

    GSC Power-Division Exhaust Valve 33mm (+1mm) for the Subaru EJ20/EJ257 Turbo Engine

    Exhaust Valves

    33mm (+1mm) Exhaust Valves for the Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2013 Make:Subaru Stem Diameter:6.0mm Overall Length:104.25 Head Diameter:33.00
    From $25.38
    From $25.38 $25.38
  • GSC Power-Division Intake Valve 36mm (STD) for the Subaru EJ20/EJ257 Turbo Engine
    Sale

    GSC Power-Division Intake Valve 36mm (STD) for the Subaru EJ20/EJ257 Turbo Engine

    Intake Valves

    36mm (STD) Intake Valves for the Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2012 Make:Subaru Stem Diameter:6.0mm Overall Length:104.40mm Head Diameter:36.00mm
    From $25.15
    From $25.15 $25.21
  • GSC Power-Division Super Alloy Exhaust Valve for the Subaru EJ20/EJ257 Turbo Engine

    GSC Power-Division Super Alloy Exhaust Valve for the Subaru EJ20/EJ257 Turbo Engine

    Exhaust Valves

    Super Alloy Exhaust Valves for the Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2015 Make:Subaru Stem Diameter:6.0mm Overall Length:104.65 Head Diameter:32.00
    From $44.54
    From $44.54 $44.54
  • GSC Power-Division Exhaust Valve 32mm (STD) for the Subaru EJ20/EJ257 Turbo Engine

    GSC Power-Division Exhaust Valve 32mm (STD) for the Subaru EJ20/EJ257 Turbo Engine

    Exhaust Valves

    STD 32mm Exhaust Valve for the Subaru EJ20/EJ257 Turbo Engine

     SKU:GSC2011 Make:Subaru Stem Diameter:6.0mm Overall Length:104.37mm Head Diameter:32.00mm
    From $25.21
    From $25.21 $25.21
  • GSC Power-Division High Pressure Conical Spring Set with Titanium Retainer and Chromoly Spring Seat for the Subaru Turbo EJ Platforms
    Sold out

    GSC Power-Division High Pressure Conical Spring Set with Titanium Retainer and Chromoly Spring Seat for the Subaru Turbo EJ Platforms

    Spring Kit

    High Pressure Conical Spring Set with Titanium Retainer and Chromoly Spring Seat for the Subaru Turbo EJ Platforms

     SKU:GSC5073 Make:Subaru Spring Type:HP Conical Coil Bind:0.787" Install Height:1.318" Seat Pressure ( Lbs ):104 Open Pressure:254lbs @ 0.866" ( 11.50mm Lift ) Max Boost:50 psi MAX RPM:10,000 RPM
    $609.24
    $609.24 $609.24
  • GSC Power-Division Dual Conical Valve Spring Set with Titanium Retainer & Chromoly Seats for the Subaru Turbo EJ Platforms
    Sold out

    GSC Power-Division Dual Conical Valve Spring Set with Titanium Retainer & Chromoly Seats for the Subaru Turbo EJ Platforms

    Spring Kit

    Dual Conical Valve Spring Set with Titanium Retainer & Chromoly Seats for the Subaru Turbo EJ Platforms

     SKU:GSC5074 Make:Subaru Spring Type:Dual Conical Coil Bind:0.790" Install Height:1.368" / 1.092" Seat Pressure ( Lbs ):95 Open Pressure:233lbs @ 0.915" / 0.639" ( 11.50mm Lift ) Max Boost:40 psi MAX RPM:10,000 RPM
    $753.24
    $753.24 $753.24