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The ACL Race Series Rod Bearings are engineered to support high-RPM, high-stress engine environments. Featuring a tri-metal construction and hardened steel backing, these standard-size bearings provide excellent oil film control, increased fatigue resistance, and reliable bearing retention for demanding street or motorsport builds.
Key Features
Trimetal construction with high-strength overlay for enhanced fatigue properties
Standard size with additional undersizes available (.025, .25, .50)
Hardened steel backing for improved support and housing retention
Increased crush and eccentricity to adapt to high-RPM bore distortion
Elimination of flash plating to enhance heat dissipation and housing grip
Precision-machined for consistent wall tolerances and oil clearance
Enlarged chamfer to accommodate large fillet radius crankshafts
Designed with one oil hole and notch
Direct fit; no machining required
Technical Details
Bearing Type: Connecting Rod Bearings
Size: Standard (STD)
Tunnel Diameter: 50.600 – 50.619 mm
Shaft Diameter: 47.758 – 47.778 mm
Max Wall Thickness: 1.405 mm
Max Length: 19.00 mm
Half Type: Identical halves
Weight: 0.14 kg
Journal Oil Hole: Yes
Notch: Yes
Fitment Information
Compatible with a wide range of Volkswagen Group 4-cylinder engines, including select models from:
Audi – A3, A4, A6, 80, 90, 100, TT, Coupe
Volkswagen – Golf I–IV, Jetta, Passat, Polo, Caddy, Scirocco, Bora, Transporter T3/T4, Lupo, Beetle
Seat – Ibiza, Leon, Toledo, Cordoba, Alhambra, Inca
Skoda – Octavia, Felicia, Fabia, Praktik
Covers engines such as: ABK, ADR, ADZ, AFT, AGG, AEH, AKL, AQM, 1Y, AAM, 2E, APK, AEG, APF, AQY, and many more
Also fits various diesel engines (1.6D, 1.9D, 1.9 SDI) and performance variants (e.g., 1.8T BAM, 1.8 G60 PG, 2.0 16V 9A).
Note: Designed for engines with 50.6 mm tunnel and 47.76 mm shaft diameters. Always confirm journal dimensions and engine code for precise fitment.
What’s Included
(1) Set of ACL Race Series standard-size rod bearings (8 pieces – 4 pairs)
