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993 Turbo Head Stud? Superseded part number

Hi,

I see that the 993 Turbo head studs have been superseded by a new part number.

The old number looks like - 993.101.170.51. It looks to have been changed to 993.101.170.53. Is it the same?

I think the stud ending in 51 was used on the RSR.

Thanks to anyone who knows.
Old 08-28-2018, 06:20 AM
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Check your lengths because longer, less expensive ones that are identical are used on the water cooled turbos.
Bruce
Old 08-28-2018, 06:47 AM
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Bill Verburg's Avatar
 
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Quote:
Originally Posted by jamesjedi View Post
Hi,

I see that the 993 Turbo head studs have been superseded by a new part number.

The old number looks like - 993.101.170.51. It looks to have been changed to 993.101.170.53. Is it the same?

I think the stud ending in 51 was used on the RSR.

Thanks to anyone who knows.
The .51 was used in all 993 RS/Cup/RSR/TT/GT2/GT2Evo

supersession just means a new supplier of the same spec part
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Bill Verburg
'76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone)
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Old 08-28-2018, 03:01 PM
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Thanks everyone for the replies. Hopefully the new supplier make it as well as the old supplier.

I was thinking of using them on a 3.0 L.
Old 08-28-2018, 03:26 PM
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