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: 5M1219H Bearing size: STD Bearing half type: Upper & lower Bearing material: F780 Technical data (mm) Max overall length: 20.63 Max shaft size: 57 Max tunnel size: 61.021 Max vertical oil clearance: 0.072 Max wall at crown: 1.99 Min shaft size: 56.985 Min tunnel size: 61 Min vertical oil clearance: 0.02 Technical data (in) Max overall length: 0.812203107 Max shaft size: 2.244090021 Max tunnel size: 2.402396792 Max vertical oil clearance: 0.00283464 Max wall at crown: 0.078346301 Min shaft size: 2.243499471 Min tunnel size: 2.401570022 Min vertical oil clearance: 0.0007874 Engine code 4G63 / 4G64 / 4G64-S4 / 4G69 Application Mitsubishi 4G63 1997cc In