Bushing Turbine Housing Bush Bushing All bushings are manufactured using shell molding method. PAC manufactures bushings for Diesel, Gasoline, CNG & LPG applications. PAC houses an R&D facility to develop new material jointly with the customer. Slurry Pump Liners ETV & Exhaust Braking bush Bearing housing bush MethodOuter Diameter (mm)Internal Diameter (mm)Thickness Shell Molding12 To 25 mm6 To 18 mm5 To 60 mm