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SKU: 3012-8 | UPC: GSC3012-8
GSC P-D 4B11T Manganese Bronze Intake Valve Guide - Set 8 for 2008-2016 Mitsubishi Lancer Evolution & Ralliart
GSC Power-Division Manganese Bronze Intake Valve Guides are a set of 8 precision components designed for the 4B11T engine in 2008-2016 Mitsubishi Lancer Evolution models and 2009-2015 Lancer Ralliart variants. These guides provide strong wear resistance and heat dissipation to protect valvetrain integrity under boost and high RPM conditions. They support reliable valve sealing in engine rebuilds and performance upgrades for consistent power delivery.
Key Features
- Manganese Bronze Construction: Provides high wear resistance and lubricity for long life in turbocharged 4B11T engines
- Precision Dimensions: Inner diameter 0.247 inch outer diameter 0.392 inch length 1.378 inch for direct fit in 4B11T cylinder heads
- Intake-Specific Design: Matches stock or aftermarket intake valves up to 1.5mm oversized for versatile builds
- Complete Set of 8: Equips all intake positions for complete valvetrain maintenance
- Performance Engineered: Handles high lift cams and aggressive valve timing with minimal guide wear
Product Notes
- Confirm 4B11T engine code prior to purchase
- Inspect cylinder head for cracks or wear before guide installation
- Packed in protective sleeve to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires valve guide driver tool and heat block method for press-fit installation
- Compatible with stock Mitsubishi cylinder heads and GSC valves
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2016 | Mitsubishi | Lancer Evolution | GSR, MR |
| 2009-2015 | Mitsubishi | Lancer | Ralliart |
| 2010-2011 | Mitsubishi | Lancer | Ralliart Sportback |
Why Choose GSC?
- Proven in professional racing and street performance builds
- Manufactured with tight tolerances for consistent valvetrain operation
- Backed by decades of valvetrain engineering experience
Frequently Asked Questions
-
Q: Does this fit 2015 Lancer Ralliart?
A: Yes fits all 2009-2015 Mitsubishi Lancer Ralliart with 4B11T engine including Sportback models -
Q: What makes manganese bronze different from standard bronze?
A: Manganese bronze offers better hardness and resistance to galling for high-heat turbo applications -
Q: Is professional installation required?
A: Recommended as installation involves pressing guides into the head and may require valve seat machining
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Compact box measuring 6 x 4 x 2 inches
- Weight: 0.3 lbs
GSC Power Division
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