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77733-10SB

Availability:

Out of stock


Heavy Duty Input Shaft For ’85-later units with 298mm converter

$374.68

Out of stock

Heavy Duty Input Shaft

For ’85-later units with 298mm converter, 30-spline input shaft. For ’82–’84 units with 27-spline input shaft, converter and stator shaft will need to be updated to ’85-later design.

 

Input shaft failure is a common problem in GM 4L60 and 4L60-E units as power levels are increased. Sonnax heavy duty input shaft 77733-10SB for 298mm torque converter units is ideal for any high-horsepower street or strip application. 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.

  • High-strength 300M steel shaft is more than 2X stronger than OE
  • Shot peened for extreme durability
  • Unique design protects against failure from stress cracks
Weight 5 lbs
Dimensions 16 × 3 × 3 in

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