This Extreme Duty 4L80E transmission includes the following features and specifications:
~ Billet input shaft
~ Billet intermediate shaft
~ Forged steel forward clutch hub
~ Pro Mod 36 element intermediate sprag
~ Heat treated steel wide intermediate sprag races
~ Billet steel intermediate pressure plate
~ Billet aluminum direct piston
~ Deep cast aluminum pan with magnetic drain plug
~ Red racing frictions with max clutch count
~ Kolene steels
~ Kevlar intermediate band
~ High static carbon rear band
~ Dual fed direct clutch
~ Borg Warner overdrive roller clutch
~ Borg Warner low roller clutch
~ Roller bearings added in critical thrust areas
~ Heavy duty aluminum accumulators
~ Blueprinted front pump assembly
~ Street/Strip valve body calibration
~ All new GM electronics and internal harness
~ Dyno tested to verify all functions
We rate this unit for use with 1,500+ flywheel horsepower!
We have this unit available in early, mid-year, and late model case configurations.
Slip yoke, bolt-on yoke, and 4x4 output options are all available.
Constant pressure valve body upgrade available at no additional charge (highly recommended on combinations exceeding 1,000 flywheel horsepower).
Mechanical speedometer conversion available at additional cost.
Full manual valve body option available at additional cost.
Transbrake valve body option available at additional cost.
SFI-certified bolt-on bellhousing option available at additional cost. Bellhousing options are available for Chevrolet/LSX, Buick, Oldsmobile, Pontiac, Cadillac, Windsor Ford, Cleveland Ford, Modified Ford, 429/460 Ford, and Modular Ford.
Powdercoating options available at additional cost.
***Additional $400.00 core charge applies to all 4L80E transmission orders.***