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: 6B8275H Bearing size: STD Bearing half type: Identical halves Bearing material: F781 Technical data (mm) Max overall length: 15.45 Max shaft size: 52 Max tunnel size: 55.016 Max vertical oil clearance: 0.063 Max wall at crown: 1.5 Min shaft size: 51.984 Min tunnel size: 55 Min vertical oil clearance: 0.035 Technical data (in) Max overall length: 0.6083 Max shaft size: 2.0472 Max tunnel size: 2.166 Max vertical oil clearance: 0.00248031 Max wall at crown: 0.0591 Min shaft size: 2.0466 Min tunnel size: 2.1654 Min vertical oil clearance: 0.00137795 Engine code EZ30D Application Subaru EZ30D 2999cc Flat6 DOHC 4v