12 cylinder at V
Renault 12R-03 (inverted and air cooled), installed on Caudron C.714 (some teens)
Hispano Suiza 12Y-31, installed on Morane Saulnier M.S. 406 (around 200)
Hispano Suiza 12Y-45, installed on the first 350 Dewoitine D.520
Hispano Suiza 12Y-49, installed on the following Dewoitine D.520 (around 550)
Hispano Suiza 12Y-51, installed on the D.3801, MS 406 built in Swiss, (<190)
Hispano Suiza 12Y-77, installed on the D.3800, M.S. 406 built in Swiss (76)
Klimov M-105P/PA, installed on the LaGG-3 until the 28th series, Yak-1, 7, 7A, 7B early production (4,598 not including the Yak 7B and the LaGG, i don't found the LaGG production by series in all 6,528 LaGG-3)
Klimov M-105PF, installed on the LaGG-3 since the 29th series, Yak-1B, 7-37, 7B late production, 9 (excluding PD and U variant) (around 15,000 including all the 7B and no LaGG-3)
Klimov M-105PF-2, installed on Yak-3 (2,180)
Klimov M-106PD, installed on Yak-9PD (30)
Klimov M-107A, installed on Yak-9U (few hundreds)
Mikulin AM-35A, installed on MiG-1, -3 (>3,250)
Rolls Royce Merlin III, installed on Hawker Hurricane I, Supermarine Spitfire I (around 3,200)
Rolls Royce Merlin XII, installed on Supermarine Spitfire II (920)
Rolls Royce Merlin XX, installed on Hawker Hurricane II (around 10,500)
Rolls Royce (Packard) Merlin 28/29, installed on Hawker Hurricane II built in Canada, designated as X, XI, XII they became II with Merlin XX if shipped in UK (I.A.)
Rolls Royce Merlin 32, installed on Supermarine Seafire L II (39)
Rolls Royce Merlin 45, installed on Supermarine Spitfire V, Seafire II, III (in all around 7,700 Spit V, LF V and Seafire II, III and L III)
Rolls Royce Merlin 45M/50M/55M, installed on Supermarine Spitfire LF V, Seafire L III
Rolls Royce Merlin 46/56, installed on Supermarine Spitfire V, Seafire II, III
Rolls Royce Merlin 47, installed on Supermarine Spitfire VI (100)
Rolls Royce Merlin 50/55, installed on Supermarine Spitfire V, Seafire II, III
Rolls Royce Merlin 50A, installed on Supermarine Spitfire V
Rolls Royce Merlin 55A, installed on Supermarine Spitfire V, probably has same power curve of one of the above but i don't found data
Rolls Royce Merlin 61, installed on Supermarine Spitfire MF VII, MF VIII, IX (in all VII, VIII and IX around 6,850)
Rolls Royce Merlin 63/64, installed on Supermarine Spitfire MF VII, MF VIII, MF IX
Rolls Royce Merlin 66, installed on Supermarine Spitfire LF VIII, LF IX
Rolls Royce Merlin 70/71, installed on Supermarine Spitfire HF VII, HF VIII, HF IX
Rolls Royce (Packard) Merlin 266, installed on Supermarine Spitfire XVI, this should be the same of 66 but power value i found are a bit different, it could be only a different standard somewhere (310)
Packard Merlin V-1650-1, installed on Curtiss P-40F, L, Kittyhawk II (2,012)
Packard Merlin V-1650-3, installed on North American P-51B-1, B-5, C-1 (1,550)
Packard Merlin V-1650-7, installed on North American P-51B-10, B-15, C-5, C-10, C-11 and in all D&K (6,760)
Rolls Royce Griffon III/IV, installed on Supermarine Spitfire XII (100)
Rolls Royce Griffon VI, installed on Spitfire XII, as replacement engine
Rolls Royce Griffon 61, installed on Supermarine Spitfire 21 (around 20)
Rolls Royce Griffon 65, installed on Supermarine Spitfire XIV (around 460)
Allison V-1710-33, installed on Curtiss P-40, 40B, 40C, Tomahawk I, II (1,704)
Allison V-1710-35, installed on Bell P-39C, D, D-1, F, P-400 (1,460)
Allison V-1710-39, installed on Curtiss P-40D, E, Kittyhawk I, North American Mustang I, P-51 (3,673), is possible this has same power curve of -35
Allison V-1710-59, installed on Bell P-39J (25)
Allison V-1710-63, installed on Bell P-39D-2, K, L (618)
Allison V-1710-73, installed on Curtiss P-40K, Kittyhawk III (1,564 included all Kittyhawk III), is possible this has same power curve of -63
Allison V-1710-81, installed on Curtiss P-40M, N to block -15, Kityyhawk III, IV, North American P-51A (3,309 not included the Kittyhawk III)
Allison V-1710-83/85, installed on Bell P-39M, N, Q (7,250), is possible thi has same power curve of -81
Allison V-1710-93, installed on Bell P-63A (1,725)
Allison V-1710-99/115, installed on Curtiss P-40N block from -20 to -40 (2,743)
Allison V-1710-117, installed on Bell P-63C (<100)
Junkers Jumo 213 A (inverted), installed on Focke Wulf Fw 190D-9 (around 800)
Junkers Jumo 213 E (inverted), installed on Focke Wulf Ta 152H (21)
Daimler Benz DB 601 A-1 (inverted), installed on Messerschmitt Bf 109 E-1, -3, -4, -5, -7, -8 (all the Emil, including -6 with N engine) in the time frame around 1,900 *there are many conflicting source on Emil production)
Daimler Benz DB 601 Aa (inverted), installed on Messerschmitt Bf 109 E-1, -3, -4, (I.A.) and on Macchi C.202, Reggiane Re 2001 (licensed built as Alfa Rameo RA 1000 RC 41), and on Kawasaki Ki 61 I (licensed built as Kawasaki Ha 40) (around 3,900)
Daimler Benz DB 601 N (inverted), installed on Messerschmitt Bf 109 E /N, T, F-1, F-2 (1,509 excluded the E)
Daimler Benz DB 601 N with GM-1 (inverted), installed on Messerschmitt Bf 109 E-7/Z (included in the Emil above)
Daimler Benz DB 601 E (inverted), installed on Messerschmitt Bf 109 F-4 (978)
Daimler Benz DB 601 E with GM-1 (inverted), installed on Messerchmitt Bf 109 F-4/Z (861)
Daimler Benz DB 605 A (inverted), installed on Messerschmitt Bf 109 G-1, -2, -3, -4, -5, -6, -8 () and on Macchi C.205V, Re. 2005, Fiat G.55 (licensed built as Fiat RA 1050 RC. 58 (around 550)
Daimler Benz DB 605 A with GM-1 (inverted), installed on Messerschmitt Bf 109 G /U2
Daimler Benz DB 605 AS (inverted), installed on Messerschmitt Bf 109 G-5/AS, -6/AS
Daimler Benz DB 605 AM (inverted), installed on Messerschmitt BF 109 G-14
Daimler Benz DB 605 ASM (inverted), installed on Messerschmitt BF 109 G-14/AS
Daimler Benz DB 605 DM (inverted), installed on Messerschmitt Bf 109 G-10, K-4
Daimler Benz DB 605 DB-DC (inverted), installed on Messerschmitt Bf 109 G-10 (only DB configuration), K-4 (854 only the K-4)