Bell Housing Dimensions



ENGINE FLYWHEEL DIMENSIONS
Standard SAE Dimensions in inches (millimeters)
SAE
No
XE XF XG Tapped Holes
Qty size
SAE 21 26.500 (673) 25.25 (641) 0 (0) 12 5/8-11
SAE 18 22.500 (572) 21.38 (543) .62 (16) 6 5/8-11
SAE 14 18.375 (467) 17.25 (438) 1.00 (25) 8 1/2-13
SAE 11-1/2 13.875 (352) 13.12 (333) 1.56 (40) 8 3/8-16
SAE 10 12.375 (314) 11.62 (295) 2.12 (54) 8 3/8-16
SAE 8 10.375 (264) 9.62 (244) 2.44 (62) 6 3/8-16
SAE 7-1/2 9.500 (241) 8.75 (222) 1.19 (30) 8 5/16-18
SAE 6-1/2 8.500 (210) 7.88 (200) 1.19 (30) 6 5/16-18
Delco 17.75 17.755 (451) 15.50 (394) .72 (18) 8 5/8-11
Delco 15.50 15.500 (394) 13.88 (353) .72 (18) 8 5/8-11
Delco 12.75 12.750 (324) 11.00 (279) 0 (0) 4 1/2-13
ENGINE FLYWHEEL HOUSING DIMENSIONS
Standard SAE Dimensions in inches (millimeters)
SAE
No
XD XB Tapped Holes
Qty size
00 31 .000 (787) 33.50 (851) 16 1/2-13
0 25.500 (678) 26.75 (679) 16 1/2-13
1/2 23.000 (584) 24.38 (619) 12 1/2-13
1 20.125 (511) 20.88 (530) 12 7/16-14
2 17.652 (448) 18.38 (467) 12 3/8-16
3 16.125 (410) 16.88 (429) 12 3/8-16
4 14.250 (362) 15.00 (381) 12 3/8-16
5 12.375 (314) 13.12 (333) 8 3/8-16
6 10.500 (267) 11.25 (283) 8 3/8-16
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