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: 7M2398H Bearing size: 20 Bearing half type: Upper & Lower Bearing material: F780 Technical data (mm) Max overall length: 20.5 Max shaft size: 63.47 Max tunnel size: 68.367 Max vertical oil clearance: 0.093 Max wall at crown: 2.423 Min shaft size: 63.444 Min tunnel size: 68.341 Min vertical oil clearance: 0.025 Technical data (in) Max overall length: 0.807085007 Max shaft size: 2.498813923 Max tunnel size: 2.691608815 Max vertical oil clearance: 0.00366141 Max wall at crown: 0.095393511 Min shaft size: 2.497790303 Min tunnel size: 2.690585195 Min vertical oil clearance: 0.00098425 Engine code 2850 Blue Motor / 173ci Red Motor / 202ci Blue/Black / 202