ACL Race tri-metal rod bearings are designed for operation at higher RPM and the demands of high-performance engines. Their construction combines design, metallurgy and engineering for consistent bearing performance.
This rod bearing set includes ACL Race Series components with the part numbers 1B1606H-STD and 4B1606H-STD.
- High-strength overlay plate with reduced thickness for improved fatigue properties.
- Hardened steel backs on all rod bearings to improve support of the bearing lining and retention in the housing.
- Increased crush for improved bearing retention in the housing.
- Increased eccentricity to compensate for bore distortion at high RPM and assist in forming hydrodynamic oil films.
- Tight, consistent wall tolerances to help maintain consistent clearances.
- Rod bearing set containing 1B1606H-STD and 4B1606H-STD.
Suitable for: Audi 100 I (C2) / III (C3) / IV (C4), Audi 200 I (C3), Audi 80 I (B2) / II (B3) / III (B4), Audi 90 I (B2) / II (B3), Audi A6 I (C4), Audi Cabriolet I (8G7/B4), Audi Coupe I (81/85) / II (89/8B), Audi Quattro I (85), VW Passat B2 (32B/33B), VW Santana I (32B), VW Transporter IV (T4).
Engines: 5-cyl petrol, Audi I5, 5-cyl turbo, VW 2.5 5-cyl, 5-cyl diesel, Audi I5 20V, 2.4 D, Audi I5 Turbo, EA827 (CN, KP, KU, KZ, PX, MC, NF, DE, NC, 3D, HX, RT, SL, WX, AAR, AAS, JY, KG, JT, KX, NG, HP, JL, JS …). Please check your vehicle’s engine code (registration document or VIN) before ordering; if in doubt, contact us and we will check for you.
Sizes
STD is the standard size for an unground crankshaft. Undersizes (−0.25 mm, −0.50 mm …) are for a reground crank, and “+0.025 mm clearance” (X) is for highly stressed engines. Your machine shop chooses the size after measuring.
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