*Can be equipped in [[Reinforcement Expansion]] slots.
+
Can be equipped in [[RE]].
−
+
{{Category:Engine Improvements}}
−
*Equipping this item in combination with one or more boilers ({{Equipment/Link|Enhanced Kanhon Type Boiler}} and {{Equipment/Link|New Model High Temperature High Pressure Boiler}}) on a ship will upgrade their speed: ''Slow'' ships will upgrade to ''Fast'', ''Fast+'', or ''Fastest'', while ''Fast'' ships will upgrade to ''Fast+'' or ''Fastest'', see the following tables for details.