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Smart-Tech Input Housing Kit

SC-77733-06K
Pricing: $535.00

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Description

SONNAX INPUT HOUSING

Features and Benefits:

  • PTFE Impregnated Rear Stator Support Bushing
  • Modified Input Housing_
  • Input Drum Reinforcement Sleeve_
  • Overrun Piston Inner Seal_
  • Overrun Piston
  • 3-4 Clutch Apply Plate
  • 3-4 Clutch Return Springs (10)
  • Bolt-on Anchor Plate_
  • _Overrun Piston Outer Seal_
  • Socket Head Cap Screws (15)

Limitations of the GM 4L60-E, 4L65-E, 4L70-E OE input housing are the root cause of 3-4 burnup in performance applications._
The weak OE backing plate flexes during clutch apply, allowing heat to build up unevenly within the clutch packs limited space. 

Sonnax Smart-Tech input housing kit 77733-06K makes room for a taller clutch pack anchored in place by a stronger backing plate, making it the only way to increase clutch capacity and protect against destructive heat. Numerous other improvements to the housing ensure maximum durability and protection against failure in higher horsepower, higher pressure applications. The housing also is available with a pre-installed, heavy-duty input shaft.

  • - Physically larger clutch pack area for increased 3-4 clutch capacity without sacrificing clutch durability. Use your choice of:
  • - Eight .067" frictions with seven .095" steels
  • - Nine .062" frictions with eight .077" steels
  • - Anchored backing plate keeps clutches parallel to stop the flexing and distortion that leads to heat build-up
  • - Treated housing is significantly more resistant to fatigue failure
  • - Steel reinforcement sleeve prevents breakage in the spline area
  • - Custom backing plate replaces OE retaining ring to eliminate risk of blowout

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