Halve design: Identical halves
STD shaft size: 47.758 / 47.778mm
STD tunnel size: 50.600 / 50.619mm
Maximum wall at crown: 0.886764657601501mm
Maximum overall length: 19.00mm

Performance engine bearings delivered by the unique combination of design, metallurgy, engineering and precision quality control. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Featuring a blend of characteristics to provide high strength and crankshafts. Excellent seizure resistance. Innovative design improves bearing retention from higher radial contact pressure and locks the bearing into the housing.