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: 5M8353H Bearing size: .025 Bearing half type: Lower Bearing material: F780 Technical data (mm) Max overall length: 17.63 Max shaft size: 49.956 Max tunnel size: 54.018 Max vertical oil clearance: 0.07 Max wall at crown: 2.013 Min shaft size: 49.938 Min tunnel size: 53.998 Min vertical oil clearance: 0.016 Technical data (in) Max overall length: 0.694093106 Max shaft size: 1.966767738 Max tunnel size: 2.12668868 Max vertical oil clearance: 0.0027559 Max wall at crown: 0.079251811 Min shaft size: 1.966059078 Min tunnel size: 2.12590128 Min vertical oil clearance: 0.00062992 Engine code ZMD / A5D / B1 / B3 / B5 / B6 / BP / B3 DOHC / B3-MI / B5-ME / B5-