SKU: BC3134
Brian Crower Mitsubishi 4B11T Evolution X 35mm Intake Valves 2008-2015 Lancer Evo X
Brian Crower BC3134 intake valves feature a 35mm diameter for the Mitsubishi 4B11T engine in 2008-2015 Lancer Evolution X models. This set of 8 one-piece forged valves delivers increased airflow over stock 34mm valves to support higher boost and RPM. Direct replacement design ensures reliable performance in street and track builds.
Key Features
- One-Piece Forged Construction: Delivers high strength and fatigue resistance for turbocharged 4B11T engines running up to 40 psi boost
- 35mm Valve Head Diameter: Increases intake flow by 10 percent over OEM for better cylinder filling and power gains
- 89 Gram Valve Weight: Lightens valvetrain mass by 15 percent to allow higher revs without spring upgrades
- Swirl Polished Finish: Reduces stem friction and guide wear for longer valve life under extreme conditions
- Precise Dimensions: 110.60mm length, 5.96mm stem, 10mm reduced tip, 2.75mm dish matches Evo X head specs
Product Notes
- Set includes 8 intake valves only, exhaust valves sold separately
- Valve seats must be machined to accept 35mm oversize heads
- Ships in protective foam-lined box to prevent damage
Installation Notes
- Professional installation recommended.
- Full valve job required including 3-angle seat cut for proper sealing
- Compatible with stock or aftermarket retainers, springs, and seals
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Mitsubishi | Lancer | Evolution GSR |
| 2008 | Mitsubishi | Lancer | Evolution MR |
| 2010-2011 | Mitsubishi | Lancer | Evolution MR Touring |
| 2010-2015 | Mitsubishi | Lancer | Evolution GSR |
| 2010-2015 | Mitsubishi | Lancer | Evolution MR |
| 2015 | Mitsubishi | Lancer | Evolution Final Edition |
Why Choose Brian Crower?
- Race-proven in professional drag and time attack Evo X builds
- CNC-machined in Southern California with tight tolerances
- Backed by engineering focused on 4G turbo engine durability
Frequently Asked Questions
- Q: Will BC3134 fit all 4B11T Evo X models?
A: Yes, designed for 2008-2015 Lancer Evolution X GSR, MR, MR Touring, and Final Edition with 4B11T engines - Q: What material are these valves made from?
A: One-piece forged 4340 chromoly steel construction for heat resistance up to 1200 degrees F - Q: What warranty is included?
A: One-year unlimited mileage manufacturer warranty against defects when installed by certified shop
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: 7 x 5 x 3 inch foam-lined box
- Weight: 1.8 lbs
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