4L60, 4L60-E Smart-Tech Input Housing
700R4 / 4L60E 298mm WITH PILOT TIP STYLE INPUT DRUM (UPDATED WITH SHAFT & REINFORCED BOLT ON STYLE TOP PRESSURE PLATE (SMART-TECH DRUM KIT)
Upgraded Housing Eliminates 3-4 Clutch Failure
Limitations of the OE input housing are the root cause of 3-4 burnup in performance applications. The patented Sonnax Smart-Tech housing design makes room for a taller clutch pack anchored in place by a stronger backing plate. Get the most out of your favorite clutches — the Smart-Tech housing is the only way to increase clutch capacity AND protect against destructive heat.
Requires ’91-later 3-4 apply ring; Requires ’97-later ring gear; Requires ’97-later stamped steel forward piston. Cannot be used with aluminum forward piston or Sonnax billet forward piston 77764-01.