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: 5M429HX Bearing size: STD Bearing half type: Upper & lower Bearing material: F780 Technical data (mm) Max overall length: 20.49 Max shaft size: 58.402 Max tunnel size: 63.287 Max vertical oil clearance: 0.106 Max wall at crown: 2.41 Min shaft size: 58.377 Min tunnel size: 63.261 Min vertical oil clearance: 0.039 Technical data (in) Max overall length: 0.806691307 Max shaft size: 2.299286761 Max tunnel size: 2.491609213 Max vertical oil clearance: 0.00417322 Max wall at crown: 0.094881701 Min shaft size: 2.298302511 Min tunnel size: 2.490585593 Min vertical oil clearance: 0.00153543 Engine code 265 / 283 / 302 Small Pin / 327ci Small Pin Application