SKU: 1T1237-STD | UPC: 084777701459
ACL 08+ Mitsubishi 4B11T Evo X / Hyundai Genesis Standard Size Thrust Washer
ACL 1T1237-STD thrust washers provide exact crankshaft end play control for 2008+ Mitsubishi Lancer Evolution X 4B11T and 2010-2014 Hyundai Genesis Coupe 2.0T engines. Built for high-performance turbo applications these washers manage extreme loads and resist distortion in track or street builds. Use with ACL main bearings 5B1924H-STD or rod bearings 4B4046H-STD for full engine reliability.
Key Features
- Tri-Metal Construction: Copper-lead alloy overlay on steel backing provides high load capacity and fatigue resistance for turbocharged engines
- Increased Thickness: Resists distortion under extreme pressures common in Evo X and Genesis track use
- Hardened Backing: Elevates crush strength to prevent failure during high-rpm operation
- Lead-Free Formula: Environmentally aware material maintains durability without performance loss
- Standard Sizing: Direct fit for stock or mildly machined crankshafts with exact OEM-spec end play
Product Notes
- Verify crankshaft end play before installation to ensure standard size compatibility
- Clean mating surfaces thoroughly for optimal bedding and longevity
- Ships in protective ACL packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Torque to manufacturer specs using ARP or ACL main studs for secure hold
- Compatible with ACL rod bearings 4B4046H-STD and mains 5B1924H-STD
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2015 | Mitsubishi | Lancer | Evolution X |
| 2010-2014 | Hyundai | Genesis Coupe | 2.0T |
Why Choose ACL?
- ACL components equip World Rally Championship and drag racing teams
- Engineered for motorsport demands with rigorous dyno testing
- Precision tolerances from computer-controlled manufacturing
Frequently Asked Questions
- Q: Will this fit my 2010 Evo X with 4B11T engine?
A: Yes it directly fits all 2008-2015 Mitsubishi Lancer Evolution X models with the 4B11T 2.0L turbo engine - Q: What material is used in these thrust washers?
A: Tri-metal design with hardened steel backing copper-lead alloy and lead-free overlay for maximum strength and heat resistance - Q: What is the warranty on ACL 1T1237-STD?
A: Backed by ACLs one-year unlimited mileage warranty when installed by certified professionals
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact ACL box 5 x 3 x 1 inches
- Weight: 0.1 lbs
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