All engine numbers are stamped on top of block in front of valley cover.
Note: This list includes most automobile hemis. The industrial marine and poly motors are not included. Contact us if you need assistance identifying any of those blocks.

Sequence	Year	Name	C.I.	Carb. BBL	H.P.
DESOTO:
S17 - 1001	1952	Firedome	276	2	160
S16 - 1001	1953	Firedome	276	2	160
S19 - 1001	1954	Firedome	276	2	170
S21 - 1001	1955	Fireflite	291	4	200
S22 - 1001	1955	Firedome	291	2	185
S23 - 1001	1956	Firedome	330	2	230
S24 - 1001	1956	Fireflite	330	4	255
S24A - 1001	1956	Adventurer	341	2-4	320*
S25 - 1001	1957	Firedome	341	2	270
S26 - 1001	1957	Fireflite	341	4	295
S26A - 1001	1957	Adventurer	345	2-4	345*
DODGE:
D44 - 1001	1953	Red Ram	241	2	140
D50A - 1001	1954	Red Ram	241	2	140
D50 (1, 2, 3)	1954	Red Ram	241	2	150
D553 - 1001	1955	Super Red Ram	270	2 or 4	183 or 193
D500 - 1001	1956	D500	315	4	260
KD500 - 1001	1957	D500	325	4 or 2-4	285 or 310
CHRYSLER:
C51 - 8 - 1001	1951	Chrysler	331	2	180**
C52 - 8 - 1001	1952	Chrysler	331	2	180**
C53 - 8 - 1001	1953	Chrysler	331	2	180**
C541 - 8 - 1001	1954	New Yorker	331	2	195**
C542 - 8 - 1001	1954	New Yorker	331	4	235**
WE55 - 1001	1955	New Yorker	331	2	250
NE55 - 1001	1955	New Yorker	331	4	250
CE55 - 1001	1955	Imperial	331	4	250
3NE55 - 1001	1955	C300	331	2-4	300***
NE56 - 1001	1956	New Yorker	354	4	280
CE56 - 1001	1956	Imperial	354	4	280
3NE56 - 1001	1956	300B	354	2-4	340***
NE57 - 1001	1957	New Yorker	392	4	325
NE57 - 1001	1957	New Yorker	392	2-4	375***
CE57 - 1001	1957	Imperial	392	4	325
58N - 1001	1958	New Yorker	392	4	345
58C - 1001	1958	Imperial	392	4	345
58N3 - 1001	1958	300D	392	2-4	380
* Very rare! All 4 BBL engines were approximately 10% of production. ** 1951 through mid-1954 have bell housings cast onto block. *** 300 High Performance Option