Mitsubishi Kinsei engine, Model No. 51

The Kinsei engine, Model No. 51 (MK8A), was a 14-cylinder, air-cooled, twin-row radial aircraft engine developed by Mitsubishi Heavy Industries in Japan1. This engine was used in several Japanese aircraft during World War II. Here are some of the aircraft that used the Kinsei engine:

Aichi D3A1
Yokosuka D4Y3-D4Y41
Kawasaki Ki-1001
Mitsubishi Ki-46 (Code Name Dinah)2
Mansyu Ki-71 (Edna)2
Yokosuka D4Y (Judy)2
Kawasaki Ki-45 KAI (Nick)2
Kawasaki Ki-61 (Tony)2
Mitsubishi A6M (Zeke)2