ACL Camshaft Bearing Set Fits Holden 253 304 308 5C5146C-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
-Material: F830
-Min. Std Shaft Size: 47,452 mm / 1.8692 in
-Max Std Shaft Size: 47,478 mm / 1.8692 in
-Min. Std Tunnel Size: 50,775 mm / 1.9990 in
-Max Std Tunnel Size: 50,825 mm / 2.0010 in
-Max Wall at Crown: 1,638 mm / 0.0645 in
-Max Overall Length: 20,06 mm / 0.7898 in