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Race Series protection for high load Ford V8 builds
ACL 8B1442H-STD is a standard size connecting rod bearing set for the verified Ford V8 engine applications listed below. It is engineered for original equipment crankshafts with tri metal copper lead construction and high tensile steel backing. Vehicle model alone does not determine compatibility, so match the engine configuration and crankshaft type before ordering.
Key Features
- ACL Race Series H specification for original equipment crankshaft geometry
- Standard bearing size for an unground standard journal
- Tri metal construction with a copper lead tin lining, nickel barrier, lead tin copper overlay, and SAE 1010 high tensile steel backing
- No final silvery tin flash for direct bearing to housing contact and effective heat transfer
- Increased crush and eccentricity support bearing retention and oil film formation in performance use
Fitment
| Manufacturer | Engine Application | Crankshaft | Size |
|---|---|---|---|
| Ford | 4.6L VIN 6, W, or X Windsor SOHC V8 and 5.4L SOHC V8 | Original equipment | Standard |
| Ford | 4.6L DOHC V8 and 4.6L SOHC 24 valve V8 | Original equipment | Standard |
| Ford | 5.0L Coyote V8, including Mustang applications from 2010 onward | Original equipment | Standard |
| Ford | 5.4L DOHC 24 valve supercharged V8 with aluminum block from 2011 onward | Original equipment | Standard |
Specifications
| Detail | Value |
|---|---|
| Manufacturer | ACL |
| Series | Race Series |
| Manufacturer Part Number | 8B1442H-STD |
| Bearing Position | Connecting rod |
| Size | Standard |
| Shell Part | 5636H |
| Tunnel Diameter Range | 56.865 to 56.886 mm |
| Shaft Diameter Range | 52.984 to 53.002 mm |
| Maximum Wall at Crown | 1.925 mm |
| Maximum Overall Length | 20.95 mm |
| Material | Tri metal copper lead construction with high tensile steel backing |
| Surface Appearance | Dark tarnished coloration is normal because no final silvery tin flash is applied |
What's Included
- One standard size ACL Race Series connecting rod bearing set
About ACL
ACL develops performance engine bearings with controlled wall thickness, crush, and eccentricity for consistent fit, bearing retention, and oil clearance in demanding engine builds.
FAQ
What is the 8B1442H-STD?It is an ACL Race Series standard size connecting rod bearing set for the listed Ford V8 engine applications using original equipment crankshaft geometry.
Is this bearing set standard size?Yes. It is intended for a standard journal that remains within the published shaft diameter range.
Does this set provide extra oil clearance?No. This is the H standard configuration. Extra clearance versions use a different HX designation and should be selected only after measuring the engine.
Will it fit every vehicle with a Ford 4.6L or 5.4L engine?No. Compatibility depends on the exact engine configuration and crankshaft geometry. A vehicle model or displacement alone is not enough to confirm fit.
What crankshaft type is required?This set is specified for original equipment crankshaft geometry. Aftermarket crankshafts with large fillet radii may require a narrow bearing configuration instead.
Is the dark bearing surface normal?Yes. Race Series bearings omit the cosmetic silvery tin flash, so the copper containing overlay can show dark black, brown, or blue tarnish without affecting operation.
How should oil clearance be checked?Measure the torqued assembled bearing bore at 90 degrees to the parting faces with a bore gauge, measure the journal with a micrometer, then calculate the difference.
Can the bearing surface be polished to change clearance?No. Do not use abrasive pads or paper on the bearing surface to alter oil clearance.
What warranty applies?This bearing set is covered by the manufacturer's standard warranty. Warranty service and eligibility are subject to the manufacturer's terms.
Installation Instructions
- Confirm the engine configuration, crankshaft geometry, journal size, and housing bore before assembly.
- Inspect the rod, cap, crankshaft journal, and bearing registers for damage or contamination.
- Seat each shell in its correct register and apply the assembly lubricant specified by the engine builder.
- Install and torque the connecting rod fasteners to the applicable engine and fastener manufacturer specifications.
- Measure the assembled bearing bore and crankshaft journal with calibrated tools, then verify the required oil clearance.
- Confirm free crankshaft rotation and complete all final engine builder checks before operation.
- Do not polish the bearing surface with abrasive pads or paper to change clearance.
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