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For Sale: Hughes Performance 25-1 Street/Strip 4L80E transmission

Rated for use with up to 850 flywheel HP!!



2244 W McDowell Rd, Phoenix, AZ View Map


The Hughes Performance Street/Strip series 4L80E transmission part number 25-1 features sufficient upgrades and modifications to allow this unit to handle up to 850 flywheel horsepower in street and mild street/strip combinations!

Each 25-1 transmission is built from select 1991 - 1996 cores, featuring 1993-later electronics and valve body. Upgrades and modifications include:

~ Red racing frictions
~ New steels
~ High Energy wide intermediate band
~ High static carbon rear band
~ Borg Warner 34 element intermediate sprag
~ Borg Warner overdrive roller clutch
~ Borg Warner low roller clutch
~ Street/Strip valve body calibration
~ Heavy duty aluminum accumulators
~ Blueprinted front pump
~ Oversize boost valve
~ Modified TCC circuit to prevent TCC drag
~ New molded apply pistons
~ New AC Delco electronics and sensors
~ New 1993-later internal wiring harness
~ New 1993-later case connector
~ Teflon sealing rings
~ Dual fed direct clutch pack
~ New bushings
~ New thrust washers
~ New thrust bearings
~ New high flow filter
~ Cast aluminum pan with magnetic drain plug
~ Output shaft machined to accept slip yoke

Each 25-1 transmission is fully dyno tested to verify line pressure, shift function, cooler flow, and cooler pressure.

We also have 1997 - 1999 and 2000 - later 4L80E case options in our product line.

**Each 4L80E transmission also requires an additional $400.00 core charge that is fully refundable upon return of a good 4L80E core to our facility.**


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Ad #182750643
Expires on: 01/10/2017
Posted: 10/18/2016, ad expires in 76 days
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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: 602-257-9591

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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: 0.101 sec / 8.1 MB used / 8.2 MB peak