There are 2 heat risers (the flapper between the crossover and the right exhaust manifold) on ebay right now. Does a heat riser with the part number COAE-9A427-C fit my 1954 239 Yblock? How about B5A-9685-E? These are NOS.

Or does anyone have a good used one they are willing to sell?

Thanks!

 

Abe, you should P/M or email me when you have a question like this. FTE has grown so large, it's impossible for me to answer everyone's questions on the day they are first posted.

There is no valve listed for a 239 in a truck.

B4A9439A .. Thermostatic Exhaust Control Valve / Obsolete

Fits: 1954 239 Ford Passenger Cars.
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B5A9685E .. Thermostatic Exhaust Control Valve / Obsolete

Fits: 1955/56 272/292/312 Ford Passenger Cars & T-Bird's with dual exhausts.
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COAE9A427C .. Heat Riser Valve / Obsolete

Fits: 1957 292/312 Ford Passenger Cars & T-Birds / 1958/62 292 Ford Passenger Cars.
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Will the following work?

COTE9A427A .. Heat Riser Valve / Use w/single exhaust / Obsolete

Fits: 1955/56 272 Ford Passenger Cars / 1955/56 C500/600 & F100/600 272 / 1957/64 C500/700 & F100/700 272/292.