Main bearings STD Mazda 1981-1998 B5, B6, BP 1498-1597-1840cc ACL Aluglide ACL-5M8353A-STD

Main bearings STD Mazda 1981-1998 B5, B6, BP 1498-1597-1840cc ACL Aluglide ACL Race is designed to work in the most extreme conditions and the most demanding engines. Thanks to many years of experience in the production of bearings, each set is perfectly matched to the engine. The advanced technological process allows the bushing to adapt to the deformation caused by high revolutions and helps to produce hydrodynamic oil films. : STDX -0.025 mm (looser than nominal) STD +0.000 mm (nominal) +0.025 mm (tighter than nominal) +0.25 mm (first shaft grinding) +0.50 mm (second shaft grinding)