ACL Race Series Main Bearing Set Fits Holden V6 3.8L Vn S2 Vp Vr 4SM2222H-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: Lower
-Material: F780
-Min. Std Shaft Size: 63,47 mm / 2.4988 in
-Max Std Shaft Size: 63,495 mm / 2.4998 in
-Min. Std Tunnel Size: 68,25 mm / 2.6870 in
-Max Std Tunnel Size: 68.275 mm / 2.6880 in
-Max Wall at Crown: 2,372 mm / 0.0934 in
-Max Overall Length: 22,07 mm / 0.8689 in (2309H), 22,07 mm / 0.8689 in (2299H)
22,07 mm / 0.8689 in (2302H), 26,87 mm / 1.0579 in (2303H(F)), 22,07 mm / 0.8689 in (2305H)