SKU: 207-4206 | UPC: 672036036997
ARP 2008+ Evo X Mitsubishi 2.0L (4B11) Turbo Head Stud Kit
ARP head stud kit 207-4206 provides maximum clamping force for 2008-2015 Mitsubishi Lancer Evolution X models with the 4B11 2.0L turbo engine. These studs maintain head gasket seal under extreme boost and heat in street or track use. Built for consistent torque and resistance to fatigue in performance applications.
Key Features
- Genuine ARP Fasteners: Forged from 8740 chrome moly steel with heat treatment for high tensile strength up to 200,000 psi
- Stud Design: Minimizes rotational wear on block threads and ensures even load distribution for repeatable torque values
- Precision-Rolled Threads: Increases thread contact area by 25% over cut threads for better grip and reduced galling
- Matched Hardware: Includes washers and instructions for complete kit with no additional parts needed
- Proven Durability: Handles 40+ psi boost levels common in Evo X tuning without stud stretch or failure
Product Notes
- Requires ARP Ultra-Torque fastener lubricant on threads and under washers for accurate torque
- Retorque after first 500 miles or two heat cycles to confirm clamp load
- Ships in protective packaging to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Torque to ARP specs: 70 ft-lbs + 135 degree angle in specified sequence
- Compatible with OEM head gasket or MLS aftermarket gaskets over 0.040 inch thick
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Mitsubishi | Lancer Evolution | GSR |
| 2008 | Mitsubishi | Lancer Evolution | MR |
| 2010-2014 | Mitsubishi | Lancer Evolution | GSR |
| 2010-2014 | Mitsubishi | Lancer Evolution | MR |
| 2010-2011 | Mitsubishi | Lancer Evolution | MR Touring |
| 2015 | Mitsubishi | Lancer Evolution | Final |
Why Choose ARP?
- Trusted by NHRA Pro Stock and Formula Drift teams for zero failures in competition
- AS9100 and ISO 9001 certified manufacturing ensures batch-to-batch consistency
- Extensive testing data backs performance in 1000+ horsepower Evo builds
Frequently Asked Questions
- Q: Will this kit fit 2009-2015 Evo X models with stock or ported heads?
A: Yes ARP 207-4206 fits all 2008-2015 Lancer Evolution X 4B11T engines regardless of head porting or milling up to 0.060 inches - Q: What material are the studs made from?
A: High-strength 8740 chromoly steel with black oxide finish for corrosion resistance and precise fit - Q: Does ARP offer a warranty on this head stud kit?
A: Lifetime warranty against manufacturer defects when installed and torqued per ARP instructions
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box measuring 9.4 x 6.1 x 2.6 inches
- Weight: 2.1 lbs
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