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Standard Size Rod Bearings Built for the Gen III Hemi
The ACL 8B1808HX-STD trimetal rod bearing set adds 0.001in of extra oil clearance over stock for the Gen III Hemi engine family, giving builders a wider heat margin for boosted or high RPM street and track use.
Key Features
- Trimetal race series construction with a lead free overlay for high load capacity
- Extra 0.001in of oil clearance beyond stock for improved bearing cooling under load
- Standard journal size, direct fit for stock or reground Gen III Hemi crankshafts
- Precision wall thickness control for consistent clearances across the full set
- The 8B1808HX-STD set comes complete with 8 bearings, enough for one full Gen III Hemi rebuild
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2003-2008 | Dodge | Ram 1500 | 5.7L Hemi |
| 2005-2010 | Chrysler | 300 | SRT8 |
| 2006-2010 | Dodge | Charger | SRT8 |
| 2006-2010 | Dodge | Challenger | SRT8 |
| 2005-2008 | Dodge | Magnum | SRT8 |
| 2009-2023 | Dodge | Ram 1500 | 5.7L Hemi |
| 2011-2023 | Jeep | Grand Cherokee | SRT |
| 2015-2023 | Dodge | Challenger | Hellcat |
| 2015-2023 | Dodge | Charger | Hellcat |
Specifications
| Detail | Value |
|---|---|
| Part Number | 8B1808HX-STD |
| Brand | ACL |
| Type | Connecting Rod Bearing Set |
| Engine Family | 5.7L, 6.1L, 6.2L, 6.4L Gen III Hemi V8 |
| Size | Standard journal |
| Oil Clearance | 0.001in over stock |
| Material | Trimetal, lead free overlay |
| Quantity | Set of 8 |
| UPC | Not published by manufacturer |
What's Included
- Set of 8 8B1808HX-STD standard size rod bearings
- Installation instructions
About ACL
ACL Bearing Company has manufactured performance engine bearings since 1958, supplying OEM and racing programs worldwide. ACL Race Series bearings use trimetal construction and tight tolerance manufacturing to hold up to the loads of boosted and high RPM engines.
Frequently Asked Questions
What is the 8B1808HX-STD?The 8B1808HX-STD is an ACL Race Series standard size connecting rod bearing set with 0.001in of extra oil clearance, built for the 5.7L, 6.1L, 6.2L, and 6.4L Gen III Hemi engine family.
Does the extra oil clearance affect oil pressure?The added clearance in the 8B1808HX-STD is a small, engineered increase that supports higher oil flow for heat control and typically has a minimal effect on idle oil pressure with the correct oil weight.
Do I need to reuse the factory oil pump with this bearing set?Most builds run the factory oil pump without issue, though high horsepower builds often pair this bearing set with an upgraded oil pump for added margin.
Install Instructions
- Measure existing journal diameters and confirm standard size is correct for the crankshaft
- Clean all bearing bores and the crankshaft journals thoroughly before installation
- Install the upper and lower bearing shells into the rod and cap, aligning the locating tabs
- Apply assembly lubricant to the bearing surface and torque rod bolts to factory specification
- Check rod side clearance and rotate the crankshaft by hand to confirm free rotation before final assembly
Prop 65 Warning
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov
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