The ACL Race Series Main Bearing Set in STD size is specifically engineered for high-performance applications using the EA888 Gen 3 engine. With a proven tri-metal construction and enhanced fatigue resistance, these bearings are built to withstand the demands of high RPM and turbocharged conditions commonly found in performance Audi, Volkswagen, Seat, and Skoda vehicles.

Ideal for engine builders seeking tight tolerances, oil film stability, and reliable durability under load, ACL’s bearings deliver consistent support for high-output builds.

Key Features

• Standard size main bearing set (STD) for EA888 Gen 3 engines

• Trimetal construction with reduced-thickness high-strength overlay

• Hardened steel backing for improved bearing shell support

• Increased crush for enhanced bearing retention in housing

• Enlarged chamfers for fillet clearance on performance crankshafts

• 3/4 groove design for improved oil flow and load distribution

• Consistent wall tolerances for reliable clearance control

• Flash plating eliminated to improve heat transfer and housing grip

Technical Specifications

• Sizes Available: STD, 0.025, 0.25

• Tunnel Diameter: 57.000 – 57.019 mm

• Shaft Diameter: 51.958 – 51.978 mm

• Max Wall Thickness: 2.505 mm

• Max Length: 15.50 mm

• Half Type: Upper & Lower

• Weight: 0.26 kg

Fitment Information
Compatible with a wide range of Audi, Volkswagen, Seat, Skoda, Porsche, and Cupra vehicles equipped with EA888 Gen 3 1.8 TSI / 2.0 TSI / TFSI engines, including:

• Audi S1, S3, A3, A4, A5, A6, Q2, Q3, Q5, Q7, TT

• Volkswagen Golf GTI, Golf R, Passat, Arteon, Jetta, Tiguan, Atlas, Scirocco, Beetle

• Seat Leon Cupra, Alhambra, Altea, Exeo, Toledo

• Skoda Octavia RS, Superb, Yeti

• Porsche Macan 2.0

• Cupra Ateca
  Fitment covers engines such as CJXB, CJXF, CHHB, DLRA, DNUE, CDAB, CDAA, DNUA, and more.

What’s Included

• (1) Complete set of ACL Race Series main bearings – STD size

• (1) Set includes both upper and lower bearing halves