0.75 connecting rod bearings Toyota 1984-1985 1C-T, 2C-T 1839-1974cc DIESEL ACL Aluglide ACL Race bearings are designed to work 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. 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)