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ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.
Combine the benefits of extra oil clearance with the superior protection of CT-1 coating. This ACL Race Series main bearing set is engineered for the most demanding VW/Audi 1781cc and 1984cc engine builds, providing both the flow characteristics needed for high-RPM operation and the surface protection required for long-term durability.
This is the ultimate bearing solution for high-boost, high-RPM VW and Audi engines. The extra clearance ensures that your crankshaft stays lubricated at high speeds, while the CT-1 coating provides a safety net against friction and heat during the most intense driving moments. The #4 journal features the signature dual-sided oil groove to ensure consistent pressure throughout the engine. By combining these two advanced features, ACL has created a bearing that can handle the extreme stresses of track use and high-performance street driving. If you are serious about your engine build, do not compromise on your bottom-end components. Trust the performance experts at GGCRACING to provide the parts you need for your next build.
…and 25 additional fitments. Contact us to confirm yours.
| Brand | ACL |
|---|---|
| Manufacturer part number | 5M1644HXC-STD |
| GGC SKU | ACL5M1644HXC-STD |
| UPC / GTIN | 9315726457665 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 4.1 × 4 × 3.5 in |
|---|---|
| Shipping weight | 0.8 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1984-1987 | Audi | 4000 | S |
| 1988-1990 | Audi | 80 | Base |
| 1988 | Audi | 90 | Base |
| 1997-2000 | Audi | A4 | Base |
| 1997-2000 | Audi | A4 Quattro | Base |
| 1999-2000 | Audi | A4 Quattro | Avant |
| 2000-2001 | Audi | TT | Base |
| 2000-2002 | Audi | TT Quattro | Base |
| 2002 | Audi | TT Quattro | ALMS Edition |
| 1998 | Volkswagen | Beetle | Base, TDI |
| 1999-2001 | Volkswagen | Beetle | GLX |
| 1999-2005 | Volkswagen | Beetle | GL, GLS |
| 2001-2002 | Volkswagen | Beetle | Sport |
| 1995-1998 | Volkswagen | Cabrio | Base |
| 1997 | Volkswagen | Cabrio | High Line |
| 1998 | Volkswagen | Cabrio | GL, GLS |
| 1985-1993 | Volkswagen | Cabriolet | Base |
| 1987 | Volkswagen | Cabriolet | Wolfsburg Edition |
| 1988-1990 | Volkswagen | Cabriolet | Bestseller, Boutique |
| 1989 | Volkswagen | Cabriolet | Wolfsburg Edition |
| 1991 | Volkswagen | Cabriolet | Etienne Aigner |
| 1991-1992 | Volkswagen | Cabriolet | Carat |
| 1992 | Volkswagen | Cabriolet | Wolfsburg Edition |
| 1992-1993 | Volkswagen | Cabriolet | Classic |
| 1990-1992 | Volkswagen | Corrado | G60 |
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