Firewall Assembly 1965-1966

CJ's Part Number: M137
CJ's Low Price:
1419379200 23271
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Product Description

Firewall Assembly for 1965-1966 Mustangs.

This is a complete firewall panel which includes the entire vertical panel up to the cowl and the two toe board panels that attaches to the floor boards. Heavy gauge stamped steel construction with a black primer coating for protection during storage and shipping.

Please Note: The mounting holes for the Parking Brake Handle Assembly are incorrect. Slight modification is required.

An original 1965-1966 Coupe and Fastback firewall had a flange on the sides where it meets the A pillar. Our replacement firewalls do not have this flange so you will be required to fabricate it. However, installing torque boxes (recommended) will fill the gap and you can simply seam seal the space instead of fabricating a flange.

*Requires modifications to fit Convertibles.

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Mustang Applications

This product will fit the following Ford Mustang years:

Product Reviews

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heater holes 1/2 inch too large
This is a pretty nice piece for aftermarket but it has issues. The biggest one I noticed is the heater holes are 1 1/2 inch diameter while the factory had 1 inch diameter holes.
Doug September 28, 2012
Parking brake mounting holes are backwards
I contacted CJ's and all they could say was that I was the first one to complain about this, but I was in fact correct... Only thing I got back from them was that all firewalls are like this and all distributors have the same problem... No reassurance that the issue would be resolved for the future. Also was told the description would be changed on this site to mention the issue... As you can see it has not been.
Steven September 17, 2012
fire wall installation
I felt the installation of the fire wall was not that bad. the one down falll that I found is that ther was no angel on the kick pan to the inside rocker. I have been asking for advice from severall body shops in the area I am a retired army mecahnic but have no sheet metal exsperiance, but at 65$ and hour I will try myself. I have a long way to go on my 19666 coupe but I am proud of what I have done on my own so far. I just hope that it doesn't go down the road sideways when i am done.
jason carroll February 14, 2012
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