MAIN SHAFT HEAVY DUTY (4L80/85/TH400)
# 38914

Heavy Duty Main Shaft

MAIN SHAFT HEAVY DUTY (4L80/85/TH400)

Main shaft failure is a common problem in performance and heavy duty GM TH400, 4L80-E and 4L85-E units. This Sonnax heavy duty main shaft 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 cross hole refinements for additional strength
  • Direct replacement for OE shafts

Specifications:

  • Material: 300M

Type of Product: Hard Parts
Qty Needed:
Years:
Alternative #: