12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director/Bonuses

Ship	Extra Requirement								Note
Shiratsuyu Kai Ni		+2						+2
Shigure Kai Ni		+2		+1				+1
Murasame Kai Ni		+1		+1				+2
Yuudachi Kai Ni		+2	+1					+1
Umikaze Kai Ni Kawakaze Kai Ni Shiratsuyu Kai Murasame Kai		+1						+2
Other Shiratsuyu-class		+1						+1
All Shiratsuyu-class	+ AIR Radar			+6
	+ LOS Radar	+1	+3					+2
	+ 61cm Quadruple (Oxygen) Torpedo Mount	+1	+3						Does not stack
	+ 61cm Quadruple (Oxygen) Torpedo Mount Late Model
Ship	Extra Requirement								Note
Hatsuharu-class		+1						+1
	+ AIR Radar			+5
	+ LOS Radar	+1	+2					+2
	+ 61cm Triple (Oxygen) Torpedo Mount	+1	+3						Does not stack
	+ 61cm Triple (Oxygen) Torpedo Mount Late Model
Ship	Extra Requirement								Note
Shikinami Kai Ni		+3	+1						Replaces Ayanami-class base bonus. All extra requirement bonuses still apply.
Amagiri Kai Ni (D)		+4
Ayanami-class Akatsuki-class		+1
	+ AIR Radar			+5
	+ LOS Radar	+1	+2					+2
	+ 61cm Triple (Oxygen) Torpedo Mount	+1	+3						Does not stack
	+ 61cm Triple (Oxygen) Torpedo Mount Late Model