Description
Part Number: BC4015
Brian Crower ACL Race Series Engine Bearing Set – Honda B18C (OEM Sizing)
Engineered for high RPM and high-output motorsport applications, the Brian Crower BC4015 ACL Race Series bearing kit provides extreme load support and superior lubrication integrity for Honda B18C performance engines.
Key Features
- ☑ Complete high-performance kit including rod bearings, main bearings, and thrust washers for Honda B18C builds.
- ☑ Tri-metal metallurgy utilizing steel backing and copper-lead alloy for maximum dynamic load capacity.
- ☑ Precision OEM standard sizing maintaining optimal oil clearances across all journals.
- ☑ Increased crush fit for solid bearing seating and retention under severe thermal and RPM stresses.
- ☑ Engineered bearing chamfers to accommodate aftermarket performance crankshaft fillet radii.
Technical Specifications
| Brand | Brian Crower / ACL Race Series |
|---|---|
| Manufacturer Part Number | BC4015 |
| Engine Compatibility | Honda / Acura B18C (B18C1, B18C5, Spec R) |
| Bearing Sizing | OEM Standard Size |
| Material Construction | Tri-Metal (Steel Backing, Copper-Lead Matrix, Electroplated Overlay) |
| Component Breakdown | Rod Bearings (4B1925/4B1925HX), Main Bearings (5M1959/5M1959HX), Thrust Washers (1T1957) |
What’s Included in the Box
- 4x Pairs ACL Race Series Connecting Rod Bearings
- 5x Pairs ACL Race Series Main Journal Bearings
- 1x Set ACL Race Series Crankshaft Thrust Washers
As an authorized UK distributor for Brian Crower, JP Racing supplies verified high-performance engine components for severe motorsport duties. Enjoy expert technical advice, guaranteed genuine products, and rapid UK delivery when building your B-series engine.




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