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SKU: BC3915
Brian Crower Valve Guides - 5.5mm Mitsubishi 4B11T 2008-2015 / Hyundai G4KF 2010-2014 Exhaust (Quantity of 8)
Brian Crower BC3915 valve guides deliver precise fitment for exhaust valves in Mitsubishi 4B11T engines from 2008-2015 Lancer Evolution X models and Hyundai G4KF engines in 2010-2014 Genesis Coupe 2.0T. These guides support high-performance rebuilds by maintaining tight valve stem clearances under extreme heat and RPM. A set of 8 covers all exhaust positions for complete cylinder head refresh.
Key Features
- Manganese Bronze Construction: Resists wear and galling while providing excellent heat dissipation for sustained high-boost operation
- 5.5mm Inner Diameter: Matches OEM exhaust valve specs for 4B11T and G4KF ensuring proper stem alignment and sealing
- Set of 8 Pieces: Exact quantity needed for full exhaust valve coverage on compatible 4-cylinder heads
- Direct OEM Replacement: Engineered to install into stock or ported heads without modifications
- High-RPM Durability: Handles 8000+ RPM and 500+ whp builds common in Evo X and Genesis tuning scenes
Product Notes
- Exhaust side only, pair with BC3914 for intake guides
- Inspect valve seats during installation for proper guide height
- Packed in protective tube to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires hydraulic valve guide press and pilot tools for accurate seating
- Compatible with multi-angle valve job machines and stock head castings
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2015 | Mitsubishi | Lancer | Evolution X (MR, GSR, Final Edition) |
| 2010-2014 | Hyundai | Genesis Coupe | 2.0T (Base, Track) |
Why Choose Brian Crower?
- Proven in drag racing and time attack builds for 4B11T and G4KF platforms
- Manufactured with tight tolerances from premium bronze alloys
- Backed by engineering focused on turbocharged 4-cylinder reliability
Frequently Asked Questions
-
Q: Will these fit 2007 or 2016 Evo X models?
A: Designed for 2008-2015 USDM 4B11T engines only, confirm your head casting matches -
Q: What material are the guides made from?
A: Manganese bronze for optimal strength, lubricity, and thermal conductivity in performance applications -
Q: Is there a warranty on these valve guides?
A: Covered under Brian Crower defect policy for manufacturing issues, retain receipt for claims
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure OEM box 6 x 4 x 2 inches
- Weight: 0.5 lbs
Brian Crower
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