Sonnax 77733-11KB, 4L60E / 4L65E / 4L70E Smart-Tech Input Housing Kit with Heavy Duty Input Shaft

$ 1310.00

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SKU: SX 77733-11KB, Categories: , Tags: , , ,

Description

4L60E / 4L65E / 4L70E Sonnax Smart-Tech Input Housing Kit with Heavy Duty Input Shaft, 77733-11KB.

 

Sonnax Smart-Tech input housing kit 77733-11KB makes room for a taller clutch pack anchored in place by a stronger backing plate — the most reliable way to increase clutch capacity and protect against destructive heat.

Smart-Tech input housing kit with heavy duty input shaft 77733-11KB fits 300mm non-reluctor style units. The high-strength shaft features many unique refinements available only from Sonnax, including a unique design that protects against failure from stress cracks. Both the housing and shaft also are available separately.

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

Designed to fit 300mm non-reluctor-style units, this kit addresses six weak areas of the GM 4L60E, 4L65E, 4L70E input housing:

  • flexing/bowing of the 3-4 backing plate,
  •  limited 3-4 clutch torque capacity,
  •  3-4 snap-ring blow-out,
  •  input housing breakage near the input shaft spline,
  •  input housing fatigue failure, and
  •  input shaft failure.

Includes:

  • Smart-Tech Input Housing with 300mm Non-Reluctor Style Input Shaft Assembly
  • Bolt-on Anchor Plate
  • 3-4 Clutch Apply Plate
  • 3-4 Clutch Return Springs (10)
  • Input Drum Reinforcement Sleeve installed
  • Overrun Piston
  • Overrun Piston Inner Seal
  • Overrun Piston Outer Seal
  • PTFE Impregnated Rear Stator Support Bushing
  • Socket Head Cap Screws (15)

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Additional information

Weight 10 lbs
Dimensions 8 × 8 × 20 in

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