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For Sale: Hughes Pro Series TH400 racing transmission

Perfect for high horsepower street & race use



2244 W. McDowell , Phoenix, AZ 85009 View Map


The Hughes Performance Extreme Duty TH400 racing transmission packs many of the same great features and industry-leading quality that can be found in our well-known racing Powerglide transmissions. If you're looking for the ultimate TH400 for your high-horsepower street car or drag racing application, the Hughes Extreme Duty TH400 is the transmission to have. The Extreme Duty TH400 has the following features:

~ Carefully selected GM heavy duty case
~ Billet steel input shaft
~ Heavy duty forward drum
~ Billet steel forward clutch hub
~ High output front pump
~ Heavy duty direct drum
~ Severe duty intermediate sprag
~ Hardened forged outer sprag race
~ Roller bearing case conversion
~ Red Alto frictions (6 in forward and direct, 4 in intermediate)
~ Premium steels
~ High static band
~ Your choice of valve body:
-full manual (forward or reverse)
-Pro Series fluid release transbrake
~ Deep cast aluminum pan (holds 2 extra quarts of fluid)
~ NHRA-approved locking dipstick & tube assembly

Each transmission assembly is dyno tested to verify shift function, transbrake function, and line pressure. Part numbers and pricing are as follows:

~ Part number 34-1X, automatic/manual valve body, $1,995.00.

~ Part number 34-2X, forward manual valve body, $2,195.00.

~ Part number 34-2XR, reverse manual valve body, $2,295.00.

~ Part number 34-3X, transbrake valve body, $2,295.00.

We rate this transmission for use in applications producing 850+ horsepower. This is an excellent choice for any customer using power adders and desiring to use a 3-speed transmission.

We also offer a 2.10/1.40 planetary gear set upgrade, a 300M input shaft/aluminum forward drum upgrade, and an aluminum direct drum upgrade that includes a Pro Mod sprag and allows the use of 5 intermediate clutches.

We also offer the Extreme Duty TH400 for AMC, Buick, Oldsmobile, and Pontiac applications.

With the addition of a JW or Performance Automatic bellhousing, we can also build an Extreme Duty TH400 for your 392 Hemi, big block Ford, small block Ford, Windsor, Cleveland, Modified, or Modular application!

Insist on the highest quality and best customer service in the industry... insist on Hughes Performance!


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Be sure to ask about our custom built torque converters as well as our full line of transmission accessories to complete your Extreme Duty transmission installation! We also offer custom powdercoating options on all of our transmission cases.
Phone #
800-274-7223, ext. 209
Phone2 #
(602) 889-3621
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Ad #182233860
Expired on: 06/03/2016
Posted: 03/11/2016
From:    To: 
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Ad posted by:
hughesperf (#460909)

Hughes Performance
2244 W. McDowell
Phoenix, AZ 85009
(602) 257-9591

Member Since: 02/16/2010
Phone Number: 800-274-7223, ext. 209
Phone Number: (602) 889-3621

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106 Main Street, North Adams, MA 01247
Toll Free: 866.326.9227 • Tel: 413.663.3496 • Fax: 413.663.3615 • Email:

Execution Stats: 0.100 sec / 8.0 MB used / 8.1 MB peak