ACL bearings are used for tuning and engine upgrades where you want better quality with higher bearing capacity than normal standard bearings. Improvements of material, dynamic thickness, heat conduction, oil grooves and oil distribution are some of the points that make ACL one of the leading bearing manufacturers. Bearing data Part number: 8B7281H Bearing size: STD Bearing half type: Identical halves Bearing material: F781 Technical data (mm) Max overall length: 21.25 Max shaft size: 53.335 Max tunnel size: 56.515 Max vertical oil clearance: 0.103 Max wall at crown: 1.572 Min shaft size: 53.32 Min tunnel size: 56.49 Min vertical oil clearance: 0.049 Technical data (in) Max overall length: 0.8366 Max shaft size: 2.0998 Max tunnel size: 2.225 Max vertical oil clearance: 0.00405511 Max wall at crown: 0.0619 Min shaft size: 2.0992 Min tunnel size: 2.224 Min vertical oil clearance: 0.00192913 Engine code L86 / LT1 / LT4 Application Chevrolet 376ci (6.2L) L86 V8 OHV 2v Chevrolet 376ci (6.2L