Main bearings STD Ford 1966-1996 AU, BA, BF, FG (4.0L) Race Series ACL ACL-7M2092H-STD

STD main bearings Ford 1966-1996 AU, BA, BF, FG (4.0L) Race Series ACL ACL Race bearings are designed to operate in the most extreme conditions and the most demanding engines. The advanced technological process allows the bushing to adapt to the deformation occurring at high revolutions and helps in the formation of hydrodynamic oil films. other dimensions: 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)