Transgo 4L80E-TCC, 4L80E TCC Regulator Valve Fits all 4L80E 4L85E 1991-On.
Drop-in fix for leaks causing TCC slip codes. For standard or high-performance, heavy duty applications
TransGo TCC regulator valve is designed to seal the leaks on both ends. This TCC assembly includes;
- New TCC regulator valve
- Scarf-cut sealing ring
- 2 spring options for your application:
Orange: for stock TCC pressure and feel
Green: provides slightly elevated TCC pressure and slightly firmer TCC Apply. Great for work trucks and high performance applications.
- O-ring (for sizing only)
- 0.125” Drill bit for optional ON/OFF lockup
- 0.063” Drill bit for optional ON/OFF lockup
- Rivet for optional ON/OFF lockup
- Optional ON/OFF lockup in 2 easy steps
For high power hot rods or overloaded trucks
Convert lockup into an ON/OFF system for improved holding with a shorter apply time for severe duty applications. NOT FOR USE WITH normal applications. It can make lockup firm. Detailed instructions are included inside packaging. Be sure to carefully follow them.