ACL Main Bearings Race Extra Oil Clearance K/B-Series K20/K24
ACL Main Bearings Race Extra Oil Clearance K20/K24
High performance driving demands that you use the best parts. So rely on ACL RACE Series Performance Engine Bearings to perform to the exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions.
ACL has a proud & rich history in Motorsport – it is in our DNA. There is no better proving ground than the racetrack whatever it’s configuration. In the heat of competition proven technology always comes through.
The ACL RACE Series performance engine bearing range of today has a strong pedigree in motorsport & traces its roots back to the 1960’s with the manufacture of engine bearings for use in the world conquering Brabham Formula 1. Further experience in the Australian Supercars Championship & numerous other race codes has culminated in the current ACL RACE Series technology platform. The unique combination of design, metallurgy, engineering & precision quality control come together to deliver what engine builders expect from performance engine bearings
Features & Benefits
- High performance Trimetal engine bearings
- High Strength Overlay Plate
- Hardened Steel Backs
- Increased Crush for improved bearing retention
- 3/4 Grooved main bearings to optimise load carring surface area.
- Elimination of flash plating to improve heat transfer
Specification | Metric | Imperial |
Material | F780 | - |
Min Shaft Size | 54.98 mm | 2.1646 in |
Max Shaft Size | 55.00 mm | 2.1654 in |
Min Tunnel Size | 59.00 mm | 2.3228 in |
Max Tunnel Size | 59.02 mm | 2.3236 in |
Max Wall at Crown | 1.989 mm | 0.0783 in |
Max Overall Length | 20.00 mm | 0.7874 in |
Engine Compatibility | K20A, K20A2, K24A2 |
Quantity | Description |
1x | Set of ACL Race Main Bearings |

- Require professional installation
Manufacturer | ACL Bearings |
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