STDX main bearings Chevrolet 265, 283, 302, 327 V8 Race Series CT-1 ACL coating ACL-5M429HXC-STD

Main bearings STDX Chevrolet 265, 283, 302, 327 V8 Race Series CT-1 ACL coating 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. : STDXX -0.025 mm (looser than nominal) STDX +0.000 mm (nominal) +0.025 mm (tighter than nominal) +0.25 mm (first shaft grinding) +0.50 mm (second shaft grinding)