This ACL High Performance connecting rod bearing set is standard size with 0.025mm (0.001") of extra oil clearance and a CT-1 coating, for the VW/Audi 1781cc/1984cc inline-4 engine family. The CT-1 coating is a polymer overlay that improves break-in and adds a margin of protection against momentary oil starvation. It's sized for a stock, unmachined crankshaft journal. 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, CT-1 Coated
- Size: Standard with Extra Oil Clearance (0.025mm / 0.001" thinner)
- 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: 4B1606HXC-STD
FAQ
What does CT-1 coated mean?
CT-1 is a polymer coating applied to the bearing surface that improves break-in and adds a margin of protection against momentary oil starvation.
What does "extra oil clearance" mean on this bearing?
It's a standard-size bearing machined 0.025mm (0.001") thinner than the base Standard bearing, increasing oil clearance for higher oil flow.
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.
