SAE FLANGES


ENGINE BELL HOUSING: FLANGE SIZING DIAGRAM AND REFERENCES

SAE NUMBER A
SPIGOT
B C
PCD OF HOLES
HOLE SIZE
00 784.40  882.65 850.90 16 1/2 - 13
0  647.70  711.20 679.45 16 1/2 - 13
1/2  584.20  647.70 619.12 12 1/2 - 13
1  511.17  552.45 530.22 12 7/16 - 14
2  447.67  488.95 466.72 12 3/8 - 16
3  409.57  450.85 428.62 12 3/8 - 16
4  361.95  403.22 381.00 12 3/8 - 16
5  314.32  355.60 333.37 8 3/8 - 16
6  266.70  307.97 285.75 8 3/8 - 16

 

FLYWHEEL HOUSING: DISC SIZING DIAGRAM AND REFERENCES

SAE NO: A B
OD OF DISC
C
PCD OF HOLES
G HOLES SIZE
6 1/2  184.15  215.90 200.02  30.23 6 5/16 - 18
7 1/2  206.24  241.30  222.25  30.23  8  5/16 - 18
8  225.55  263.52  244.47  61.98  6  3/8 - 16
10  276.35  314.32  295.27  53.84  8  3/8 - 16
11 1/2  314.45  352.42  333.37  39.62  8  3/8 - 16
14  409.44  466.72  438.15  25.40  8  1/2 - 13
16  460.24  517.52  488.95  15.75  8  1/2 - 13
18  498.34  571.50  542.92  15.75  6  5/8 - 11
21  584.20  673.10  641.35  0  12  5/8 - 11
24  644.65  733.42  692.15  0  12  3/4 - 10
GM71   450.85  393.70 17.85  4 x 2