-14%
Sold out
Click to zoom in
SKU: 3019-8
GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8 (1990-2002 Legacy, Outback, Forester, Impreza)
GSC Power-Division manganese bronze valve guides in stopper style deliver reliable performance for Subaru SOHC EJ25 engines in Legacy, Outback, Forester, and Impreza models from 1990 to 2002. These guides ensure smooth valve stem movement and resist wear under high heat and revs. The set of 8 covers key intake and exhaust positions in performance rebuilds.
Key Features
- Manganese Bronze Construction: Delivers high wear resistance, excellent thermal conductivity, and strength for extended engine life in demanding applications
- Stopper Style Design: Provides positive retention and exact guide height control for accurate valve alignment during installation and operation
- Precision Tolerances: Machined to tight specs for drop-in fit, minimal friction, and consistent valve sealing in SOHC EJ25 heads
- Intake/Exhaust Compatibility: Universal sizing works for both intake and exhaust valves on EJ25 SOHC boxer engines
- Performance Focused Set: Eight guides per set support valvetrain upgrades, with two sets needed for full 16-valve coverage
Product Notes
- Two sets required for complete SOHC EJ25 head replacement covering 16 total valve guides
- Inspect and hone guide bores prior to installation for best results
- Securely packaged to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Valve guides require hydraulic press and driver tool for proper seating
- Compatible with stock and aftermarket valve seats. measure guide protrusion after install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1999 | Subaru | Legacy | SOHC EJ25 |
| 1996-1999 | Subaru | Outback | All SOHC EJ25 |
| 1998-2002 | Subaru | Forester | Base / XS non-turbo SOHC EJ25 |
| 1993-2001 | Subaru | Impreza | SOHC EJ25 models |
Why Choose GSC Power-Division?
- Specializes in Subaru valvetrain components for racing and street performance
- High-quality materials and manufacturing backed by real-world testing
- Engineered for reliability in high-RPM Subaru builds
Frequently Asked Questions
-
Q: Which Subaru models use SOHC EJ25 engines for these valve guides?
A: Fits 1990-1999 Legacy, 1996-1999 Outback, 1998-2002 Forester base models, and 1993-2001 Impreza SOHC variants with EJ25 heads -
Q: Why manganese bronze over other materials?
A: Manganese bronze offers enhanced hardness, heat dissipation, and low wear on valve stems for longer service in performance setups -
Q: How many sets are needed and what is the warranty?
A: Purchase two sets for full 16 guides on EJ25 SOHC. GSC provides manufacturer defect coverage with professional installation
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 4 x 1 inches
- Weight: 0.35 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
View GSC Power Division Products
Valve Guides
Welcome to our Valve Guides collection, where you can find a wide range of high-quality products designed to enhance your automotive performance. Our carefully curated selection includes everything you need to ensure optimal functionality and longevity for your vehicle's engine components. Why Choose Our Valve Guides? Durability: Constructed from premium materials to withstand high temperatures and pressure. Precision Engineering: Designed for a perfect fit, ensuring smooth operation and reduced wear. Performance Boost: Improves engine efficiency and power output, maximizing your vehicle's performance. Wide Selection: Available for various makes and models, tailored to meet your specific needs. Featured Products Explore some of our top-rated valve guides: High-Performance Valve Guides - Ideal for racing and high-performance engines. OEM Replacement Valve Guides - Perfect for restoring your vehicle to factory specifications. Custom Valve Guides - Tailor-made options for sp...
View Valve Guides Products
Valves & Components
Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...
View Valves & Components Products