| BS AU 150b:1984 | Specification for automotive V-belts and pulleys |
| BS AU 226:1988* ISO 7648:1987 | Specification for nominal dimensions and tolerances of flywheel housings for reciprocating internal combustion engines |
| BS AU 248:1993* ISO 9981:1990 | Specification for automotive V-ribbed belt drives. Dimensions of pulleys and belts of PK profile |
| BS AU 249:1993* ISO 7649:1991 | Specification for clutch housings for reciprocating internal combustion engines. Nominal dimensions and tolerances |
| BS ISO 18669-1:2004 | Internal combustion engines. Pistons pins. General specifications |
| BS ISO 18669-2:2004 | Internal combustion engines. Pistons pins. Inspection measuring principles |
| BS ISO 2790:2004 | Belt drives. V-belts for the automotive industry and corresponding pulleys. Dimensions |
| BS ISO 5287:2003 | Belt drives. Narrow V-belts for the automotive industry. Fatigue test |
| BS ISO 6621-1:2007 | Internal combustion engines. Piston rings. Vocabulary |
| BS ISO 6621-2:2003 | Internal combustion engines. Piston rings. Inspection measuring principles |
| BS ISO 6621-4:2003 | Internal combustion engines. Piston rings. General specifications |
| BS ISO 6621-5:2005 | Internal combustion engines. Piston rings. Quality requirements |
| BS ISO 6622-2:2003 | Internal combustion engines. Piston rings. Rectangular rings made of steel |
| BS ISO 6623:2004 | Internal combustion engines. Piston rings. Scraper rings made of cast iron |
| BS ISO 6624-2:2003 | Internal combustion engines. Piston rings. Half keystone rings made of cast iron |
| BS ISO 6624-4:2003 | Internal combustion engines. Piston rings. Half keystone rings made of steel |
| BS ISO 6626-3:2008 | Internal combustion engines. Piston rings. Coil-spring-loaded oil control rings made of steel |
| BS ISO 9981:1998 | Belt drives. Pulleys and V-ribbed belts for the automotive industry. PK profile:dimensions |
| DD 208:1992 | Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for rectangular rings with narrow ring width |
| DD 209:1992* ISO/TR 6624-2:1988 | Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for half keystone rings |
| DD 212:1992* ISO/TR 6627:1992 | Piston rings up to 200 mm diameter for reciprocating internal combustion engines. Specification for expander/segment oil control rings |