ACL Race Series Main Bearing Set Fits Subaru EJ16 EJ18 EJ20 EJ22 EJ2 5M8309H-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: Identical Halves
-Material: F780
-Min. Std Shaft Size: 59,984 mm / 2.3616 in
-Max Std Shaft Size: 60 mm / 2.3622 in
-Min. Std Tunnel Size: 64 mm / 2.5197 in
-Max Std Tunnel Size: 64,02 mm / 2.5205 in
-Max Wall at Crown: 2,005 mm / 0.0789 in
-Max Overall Length: 19 mm / 0.7480 in (8297H), 15,12 mm / 0.5953 in (8298H), 22,92 mm / 0.9024 in (8309H(F))