| Constant velocity joint | |
| A compound or substance that can speed up or slow down the reaction of other substances without being consumed itself. In a catalyst converter, special materials platinum or palladium and rhodium in parentheses are used to promote combustion of an burned hydrocarbons and reduce carbon monoxide and nitrogen oxides in the exhaust gases. | |
| Passage or opening in a four stroke cylinder head for the exhaust valve. | |
| The amount of cranking amps amperes that the battery can deliver in 30 seconds at OF - 18 C |