SC/Carrera front

ET

Notes

6x15, 6x16

36

oe fitment all

7x15, 7x16

23.3

oe fitment '76 Carrera

8x16

23.3

oe 944 wheel, tight at the 911 lip

8x16, 8x17, 8x18

25-31

aftermarket fits, higher ET gives more room at lip

SC/Carrera rear

7x15, 7x16

23.3

oe rear fit all years Carrera

8x15, 8x16

10.6

oe fit some SC/Carrera years

8x15, 8x16, 8x18, 8x18

<10.6

the shorter the tire the lower ET can be used, too low and the wheel sticks out too far

9x15, 9x16, 9x17, 9x18

15

9x16 oe 930 rear, very nice fit on SC/Carrera rear

9x15, 9x16, 9x17, 9x18

<15

the shorter the tire the lower ET can be used, too low and the wheel sticks out too far

9.5x17, 9.5x18

19

there is no wiggle room, this ET centers the wheel, 255-285 width ties may be used, the narrower the tire the easier it is to fit

993 n/b front

7x17

55

oe fit

8x17, 8x18

50-52

oe fit

8.5x17, 8.5x18

54-56

nice fit

993 n/b rear

9x17

55

oe fit

10x17, 10x18

65

nice fit, there is very little wiggle room as the car gets lower

10x17, 10x18

56-65

cars w/ high ride heights can use lower ET down to ~56

964 front

6x16

52.3

oe fit

7x16

55

oe fit

8x17

52

oe fit

964 rear

7x16

55

oe fit

8x16

52.3

oe fit

9x16

52.3, 55

oe fit

9x17

55

oe fit

9.5x17

68

use 21mm spacer #477.501.701, flatten oil line

10x17, 10x18

68

use 21mm spacer, flatten oil line