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: 4B1293H Bearing size: .025 Bearing half type: Identical halves Bearing material: F781 Technical data (mm) Max overall length: 17 Max shaft size: 47.972 Max tunnel size: 51.018 Max vertical oil clearance: 0.062 Max wall at crown: 1.513 Min shaft size: 47.954 Min tunnel size: 51 Min vertical oil clearance: 0.01 Technical data (in) Max overall length: 0.6693 Max shaft size: 1.8887 Max tunnel size: 2.0086 Max vertical oil clearance: 0.0024 Max wall at crown: 0.0596 Min shaft size: 1.8879 Min tunnel size: 2.0079 Min vertical oil clearance: 0.0004 Engine code G4KF 2.0T Application Hyundai G4KF (Theta II) 1998cc Inline4 DOHC 4v Turbo