PAS is located in Livonia, Michigan and specializes in the assembly of complex powertrain modules such as piston and jet turb ... ine engines, superchargers, and other related engine subassemblies including cylinder heads, intake manifolds, and oil filter adaptor assemblies. PAS’ manufacturing formula provides customers a means to obtain high quality complex assemblies using repeatable and robust methods at an affordable price. PAS is registered to ISO/TS 16949:2009 and ISO 14001:2004. read more