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Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate

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Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate
Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate
Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate
Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate
Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate
Flathead 10-1/2 Inch Diaphragm Style Clutch Pressure Plate

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Q & A (4)

What's in the Box

Info

It's getting harder to find flathead Ford clutch components. We can help you resolve this problem with our 10.5" diaphragm-style pressure plate for your flathead V8.

Pressure plate has 6 bolts evenly spaced on a 11-5/8" bolt circle. Requires the use of a GM style release bearing and a GM transmission.

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Product Q&A

4 questions : 4 answers

1 answers

Which hydraulic release bearings work with this? The engine is a '51 Mercury flathead. Stamped steel style bell-housing, I think it is from a '49 Ford. Trans has the front bearing retainer from a Saginaw 4-speed. Trans is mounted directly to the bell-housing without an adapter.

24Bolt
near Detroit, MI
December 23, 2014

Which hydraulic release bearings work with this? The engine is a '51 Mercury flathead. Stamped steel style bell-housing, I think it is from a '49 Ford. Trans has the front bearing retainer from a Saginaw 4-speed. Trans is mounted directly to the bell-housing without an adapter.

Answers

December 24, 2014
EricM
We recommend release bearing number 91025610, a ¾ master cylinder, and a line connecting the two in AN4.
1 answers

46 Flathead V8 to 32 Three Speed I have a 1928 Model AV8 Pickup I am putting together. Using a 1946 Flathead V8 and a 1932 three speed. I had the motor and tranny hooked up and in the pickup, and thought the motor had seized up. I loosened the bell housing bolts and the motor turns over fine. The pressure plate must be making contact with the bell housing Therfore I think I must have the wrong pressure plate. Can your tell me which pressure plate I should be using. Thanks Bruce

07HarleyGuy
Olympia, WA, USA
October 08, 2014

46 Flathead V8 to 32 Three Speed I have a 1928 Model AV8 Pickup I am putting together. Using a 1946 Flathead V8 and a 1932 three speed. I had the motor and tranny hooked up and in the pickup, and thought the motor had seized up. I loosened the bell housing bolts and the motor turns over fine. The pressure plate must be making contact with the bell housing Therfore I think I must have the wrong pressure plate. Can your tell me which pressure plate I should be using. Thanks Bruce

Answers

October 09, 2014
EricM
If you used the 10 ½ diaphragm pressure plate what throw out bearing did you use? If you use the original style for the Long Style pressure plate this will not work. You have to match the throw out bearing and pressure plate. The 41 and older used a 9” clutch and pressure plate and 42-48 used the 10”. If you are using the OEM style flathead throwout bearing and linkage then use 91015657 and 91015654 and if you have flywheel 91015627 should have the correct bolt pattern. If you have everything switched to the diaphragm style then I would suggest a 10” and you may have to re-drill the flywheel. Also some of the flywheels are not deep enough to use a sprung clutch disc and the disc itself could be hung up on the bolts. A little trial and error fitment would be suggested first as it may just be a casting ridge or boss that could be ground off for clearance.
1 answers

Will this work with Chevy motor in 52 ford truck? Hi I have a 52 ford truck and was going to put the SBC motor in it. Will this work with your adapter instead of using the Ford long style pressure plate and will it work with the stock ford release bearing. Thanks for your help, Dennis

Hoping
November 30, 2012

Will this work with Chevy motor in 52 ford truck? Hi I have a 52 ford truck and was going to put the SBC motor in it. Will this work with your adapter instead of using the Ford long style pressure plate and will it work with the stock ford release bearing. Thanks for your help, Dennis

Answers

December 03, 2012
Jason
The use of the Ford Pressure plate on the Chevy flywheel may require drilling the flywheel to match the bolt pattern. The stock Ford throw out bearing will not work on a diaphragm pressure plate and requires the use of the Long Style pressure plate.
1 answers

Is there any reason I can't use this with a Ford transmission and ford 10 1/2" clutch disc? Have an 8BA with mercury flywheel and a 4 speed truck transmission, using the truck style cast bellhousing adapter(hogs head).

Matt
Northern California
December 06, 2015

Is there any reason I can't use this with a Ford transmission and ford 10 1/2" clutch disc? Have an 8BA with mercury flywheel and a 4 speed truck transmission, using the truck style cast bellhousing adapter(hogs head).

Answers

December 07, 2015
John
Expert
This is a diaphragm style pressure plate and can be used with a Ford 10 1/2" clutch disc. It will not work properly with the stock throw out bearing and if wanting to use the stock T/O bearing then you will need pressure plate number 91015635. This is a performance oriented pressure plate and does require more pedal pressure than the stock plate.
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