Hughes Performance has raised the bar once again with our new 4L75E series of GM 4-speed overdrive transmissions. Based on the popular 4L60E, 4L65E, and 4L70E platforms, our Extreme Duty 4L75E transmission is the absolute strongest 4L60-based model currently available in the aftermarket.
Features of this model include:
~ Billet steel input shaft
~ Sonnax input drum with bolt-on anchor plate
~ Billet steel overrun clutch hub
~ Billet steel output shaft
~ Billet aluminum 2nd servo
~ Billet aluminum 4th servo
~ Billet steel pump rotor
~ Sonnax extreme duty sun shell with roller bearing
~ AC Delco 5-pinion planetary gear sets
~ Cryogenically treated reaction shaft
~ Heavy duty Borg Warner forward sprag
~ Heavy duty Borg Warner low/reverse roller clutch
~ Heavy duty aluminum accumulator pistons
~ Blueprinted GM front pump
~ New pump slide and pump vanes
~ Heavy duty pivot pin
~ High RPM pump slide spring
~ Heavy duty oversize boost valve
~ Heavy duty stator bushings
~ Heat treated steel stator support
~ Heavy duty 2-4 band
~ Red racing frictions
~ Kolene steels
~ All new GM internal electronics
~ New GM internal wiring harness and case connector
~ Custom calibrated valve body
~ High flow filter
~ Deep cast aluminum pan with magnetic drain plug
~ Teflon sealing rings
~ All new bearings, bushings, seals, and gaskets
~ Dyno tested to verify all functions
We rate our Extreme Duty 4L75E models for use with up to a whopping 1,000 flywheel horsepower!
Options are available for all 1993-later 4L60E, 4L65E, and 4L70E applications in two wheel drive, four wheel drive, and all wheel drive formats.
The 4L75E is perfect for retrofitting as well! We have complete packages readily available with TCU, wiring harness, and Pro Series custom torque converter.
Option is also available for earlier 700R-4/4L60 models rated to 850 flywheel horsepower.
Corvette applications will require your transmission core to first be shipped to our facility.