(New) 911 SSI Heat Exchangers - 1965-79

Product Description:

New SSI stainless steel heat exchanger with thin flanges for 911 models.

Lines 911-107-729-10 and 911-107-739-10 may be required.

Requires the use of a 1974 dual inlet muffler.

You can see Monty Mufflers here.

There is no oxygen sensor hole. This part was updated in 2020 to include the port for the MFI pre-heat hose. The port has a block for non-MFI applications.

3.0L conversion.

Fits:

U.S.A. Models

911 [2.0, 2.4], 1965-71

911 CIS, 1969-71

911 [2.7], 1975-76

911 [3.0], 1978-79

European Models

911 [2.0, 2.4], 1965-74

911 CIS [2.0, 2.4], 1969-71

911 [2.7], 1974-76

911 [3.0], 1978-83

Product Numbers:

91.911.SSI

91 911 SSI

91.911SSI

91121102100

91121102200