This ACL High Performance connecting rod bearing set is sized 0.025mm (0.001") over standard for the VW/Audi 1781cc/1984cc inline-4 engine family. The 0.025mm oversize is for connecting rod journals that have been reground to that undersize spec — not for a stock, unmachined crankshaft. This engine family was used broadly across Audi 4000/80/90/A4/A4 Quattro/TT/TT Quattro and Volkswagen Beetle, Cabrio, Cabriolet, Corrado, EuroVan, Fox, Golf, GTI, Jetta, Passat, Quantum, Rabbit, and Scirocco from the 1980s through the 2000s.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: High Performance
- Size: 0.025mm (0.001") Oversized
- Engine Fitment: VW/Audi 1781cc/1984cc Inline-4
- Vehicle Platform: Audi 4000/80/90/A4/TT; VW Beetle/Cabrio/Cabriolet/Corrado/EuroVan/Fox/Golf/GTI/Jetta/Passat/Quantum/Rabbit/Scirocco
- Part Number: 4B1606H-.025
FAQ
What does the 0.025mm oversize mean?
It means the bearing shell is 0.025mm (0.001") thicker than standard, sized for a connecting rod journal that has been reground to that undersize — it is not for a stock, unmachined crankshaft.
What engine does this rod bearing set fit?
It's designed for the VW/Audi 1781cc and 1984cc inline-4 engine family.
What vehicles used this engine?
This engine family was used across Audi 4000, 80, 90, A4, and TT models, and Volkswagen Beetle, Cabrio, Cabriolet, Corrado, EuroVan, Fox, Golf, GTI, Jetta, Passat, Quantum, Rabbit, and Scirocco, spanning the 1980s through the 2000s.
Is this a High Performance series bearing?
Yes, this is part of ACL's High Performance rod bearing line.
