ACL Race Series Conrod Bearing Set Fits Ford 221/255/260/289/302Ci 8B634H-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: F781
-Min. Std Shaft Size: 53,919 mm / 2.1228 in
-Max Std Shaft Size: 53,939 mm / 2.1236 in
-Min. Std Tunnel Size: 56,871 mm / 2.2390 in
-Max Std Tunnel Size: 56,891 mm / 2.2398 in
-Max Wall at Crown: 1,46 mm / 0.0575 in
-Max Overall Length: 18,44 mm / 0.7260 in