4L80-E, 4L85-E

Heavy Duty Input Shaft
Part No. 34670-01

OE Part No. 24222184

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Input shaft failure is a common problem in performance and heavy duty GM 4L80-E and 4L85-E transmissions. Sonnax heavy duty input shaft 34670-01 is manufactured from high strength 300M with proprietary heat treatment and post-heat treat processing for exceptional performance, durability and value. This shaft is recommended for applications up to 1,000HP.

  • Advanced torsional design with spline and crosshole refinements for additional strength
  • Eliminates deep undercut at O.D. carrier spline where other shafts fail
  • Material: 300M
  • 4L80-E, 4L85-E Heavy Duty Input Shaft 34670-01