Description

Retail $1600

Part No. 77733-12KB

For units with 300mm converter, reluctor-style shaft

Smart-Tech input housing kit with heavy duty input shaft 77733-12KB fits 300mm torque converter, reluctor-style units. The shaft is manufactured from 300M ultra high-strength steel for exceptional toughness and resistance to fracture. It features a revised turbine end spline without an undercut where OE shafts commonly break. 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
• Anchored backing plate keeps clutches parallel to stop the flexing and distortion that leads to heat build-up
• 100% New housing optimizes input shaft fitment and is further upgraded for 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
• High-strength 300M shaf