ACL Race Series Main Bearing Set Fits Chev 366/396/402/427/454 Ci 5M829H-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: 69,804 mm / 2.7482 in
-Max Std Shaft Size: 69,83 mm / 2.7492 in
-Min. Std Tunnel Size: 74,6 mm / 2.9370 in
-Max Std Tunnel Size: 74,625 mm / 2.9380 in
-Max Wall at Crown: 2,372 mm / 0.0934 in
-Max Overall Length: 26,5 mm / 1.0433 in (7102H), 46 mm / 1.8110 in (7103H(F))