ACL Race Series Main Bearing Set Fits Bmw M20 M50 M52 7M1532H-STD

Located in Australia, ACL has been providing an extensive replacement product range to a global aftermarket for over 70 years. Their reputation for robust metallurgy, quality, precision, innovation &, of course, performance shows through their products.SPECIFICATIONS-High Strength Overlay Plate With Reduced Thickness for Improved Fatigue Properties-Hardened Steel Backs on All Rod Bearings to Improve Bearing Lining & Retention-Increased Crush for Improved Bearing Retention-Elimination of Flash Plating on Back of Bearings & Maximise Grip Between Bearings & Housing-Increased Eccentricity to Compensate for Bore Distortion at High RPM & Assist in Formation of Hydrodynamic Oil Films-3/4 Grooved Main Bearings to Optimise Bearing Load Carrying Surface Area & Oil Flow to Conrod Bearings-Tight Consistent Wall Tolerances to Help Maintain Consistent Clearances-Enlarged ID Chamfers on Bearing Edges Where Required to Accomodate Large Fillet Radius on Performance Crankshafts-Half Type: Upper & Lower-Material: F780-Min. Std Shaft Size: 59,971 mm / 2.3611 in-Max Std Shaft Size: 59,99 mm / 2.3618 in-Min. Std Tunnel Size: 65 mm / 2.5591 in-Max Std Tunnel Size: 65,019 mm / 2.5598 in-Max Wall at Crown: 2,488 mm / 0.0980 in -Max Overall Length: 20 mm / 0.7874 in (1538H), 24,94 mm / 0.9819 in (1539H(F))