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Sonnax Smart-Tech Input Housing Kit with Heavy Duty Input Shaft 77733-10K

Product Description For Sonnax Parts
Product Part No: -- 77733-10K
Transmissions: -- 4L60E 700R4
Package and Weight
Package Quantity: -- 1 ea
Sonnax:High Performance Part - Smart-Tech Input Housing Kit with Heavy Duty Input Shaft - Fits '85-later 298mm units with 30-spline input shaft.
Base Price:
Product Description
Part Information:
Fits '85-later 298mm units with 30-spline input shaft.
For '82-84 298mm units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design..
OE Part No. 17803689, 08663580.
  • 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:
Part Contents
  1. Smart-Tech® Input Housing with 298mm Input Shaft Assembly:
  2. PTFE Impregnated Rear Stator Support Bushing:
  3. Input Drum Reinforcement Sleeve installed:
  4. Overrun Piston Inner Seal:
  5. 3-4 Clutch Apply Plate:
  6. 3-4 Clutch Return Springs (10):
  7. Bolt-on Anchor Plate:
  8. Overrun Piston Outer Seal:
  9. Socket Head Cap Screws (15):
  10. Overrun Piston:
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