SAE Flywheel Patterns

 

SAE  Clutch Size 
Disc OD

'Designation'

Plate OD

Bolt Circle

Holes

6.5"

8.50"

7.875"

6) .312-18

7.5"

9.50"

8.750"

8) .312-18

8"

10.375"

9.625"

6) .375-16

10"

12.375"

11.625"

8) .375-16

11.5"

13.875"

13.125"

8) .375-16

14"

18.375"

17.250"

8) .50-13

16"

20.375"

19.250"

8) .50-13

18"

22.5"

21.375"

6) .625-11

21"

26.50"

25.250"

12) .625-11

24"

28.875"

27.252"

12) .750-10

 

 

 

 

 

SAE Flywheel Housing Dimensions

SAE #

 I. D.

BOLT CIRCLE

HOLES

USED WITH SAE CLUCTH

1 

20.125 “

20.8752”

12

14”

2 

17.625”

18.375”

12

11.5”

3 

16.125”

16.875”

12

11.5”

4 

14.25”

15”

12

8”/10”

5 

12.375”

13.125”

8

7.5”

6 

10.5”

11.25”

8

6.5”