GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style – Set 8

SKU: 3026-8

GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style – Set 8

Engineered by GSC Power-Division these manganese bronze intake valve guides in stopper style deliver direct replacement for EJ205 EJ207 EJ260 engines in Subaru Impreza WRX STI models from 1999 to 2015 plus Saab 9-2X Aero. Manganese bronze construction offers superior wear resistance and heat dissipation for reliable performance in turbocharged and high-rev builds. Set of 8 ensures complete intake valve coverage for engine rebuilds and upgrades.

Key Features

• Manganese Bronze Material: High-lead content alloy beds in quickly reduces friction dissipates heat faster than steel extending guide and valve life in demanding conditions
• Stopper Style Design: Built-in flange holds guides square in head prevents spinning or migration under extreme valve train loads
• Precision CNC Machined: .505 inch ID matches OEM specs for perfect valve stem fit with tolerances under 0.001 inch for seamless operation
• Complete Set of 8: Covers all intake positions on EJ25 SOHC DOHC heads for full valvetrain refresh
• Performance Engineered: Proven in racing applications handles higher boost RPM and temperatures without failure

Product Notes

• Direct OEM replacement no head modifications needed
• Pair with GSC valve seals for optimal oil control
• Packed in protective tube to prevent damage

Installation Notes

• Professional installation recommended.
• Remove old guides with press and hone seats to 0.001-0.003 inch clearance.
• Use GSC guide driver tool 9005 for straight pressing to depth.

This Part Fits

Year	Make	Model	Submodel
2005	Saab	9-2X	Aero
2009-2010	Subaru	Impreza	2.5 GT
2006-2011	Subaru	Impreza	2.5i
2010-2011	Subaru	Impreza	2.5i Premium
2012-2014	Subaru	Impreza	Base
1999-2001	Subaru	Impreza	L
2012-2014	Subaru	Impreza	Limited
1999-2004	Subaru	Impreza	Outback
2005-2011	Subaru	Impreza	Outback Sport
2012-2014	Subaru	Impreza	Premium
1999-2005	Subaru	Impreza	RS
2012-2014	Subaru	Impreza	Sport Limited
2012-2014	Subaru	Impreza	Sport Premium
2002-2004	Subaru	Impreza	TS
2002-2014	Subaru	Impreza	WRX
2006-2007,2010-2014	Subaru	Impreza	WRX Limited
2009-2014	Subaru	Impreza	WRX Premium
2004-2014	Subaru	Impreza	WRX STI
2007,2011-2014	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2006-2007	Subaru	Impreza	WRX TR
2015	Subaru	WRX STI	Base
2015	Subaru	WRX STI	Launch Edition
2015	Subaru	WRX STI	Limited

Why Choose GSC Power-Division?

• Valvetrain leader supplying Formula Drift Pikes Peak champions
• USA manufactured with aerospace-grade machining
• Rigorously dyno track tested for EJ reliability

Frequently Asked Questions

• Q: Will this fit EJ257 WRX STI heads?
  A: Yes EJ257 shares identical intake guide bore and stem specs with EJ205 EJ207 EJ260 for plug-and-play compatibility
• Q: Why manganese bronze over other materials?
  A: Manganese bronze embeds debris better conducts heat 3x faster than steel and self-lubricates reducing wear at high RPM
• Q: What warranty coverage?
  A: Lifetime warranty against manufacturing defects when installed by certified shop with proof of proper honing

Shipping & Handling

• Method: UPS Ground or USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Protective plastic tube in 6 x 4 x 1 inch box
• Weight: 0.4 lbs