Engine Kits

TransGo T64165 GM TH125 (M34) 80-84 TH125C (MD9) 85-Up SK 125

TransGo T64165 GM TH125 (M34) 80-84 TH125C (MD9) 85-Up SK 125



Part #: T64165
List Price: $39.98
Our Price: $19.99
You Save: $19.99

Availability: In Stock



GM TH125 (M34) 80-84 TH125C (MD9) 85-Up SK 125 Shift kit has Tech data & parts to reduce complaints and increase trans life before and during major service. Often makes shifts crisper, but not rough. For firmer shifts and enhanced gear control use Reprogramming Kit™

  • 3-2 clunk; lockup shudder
  • Reverse slip
  • Converter drainback delay
  • Late shifts
  • Soft 1-2
  • Band failure.