Stick shift, competition, off road, pro street. Full manual control.
48-MOD (Vaccuum controlled line pressure moulator) is included.
Comes with complete, easy to follow instructions.
This valve body kit is designed for installation installed during transmission rebuild.
There is NO GASKETS INCLUDED.

4L80E Transmission Shift Kit.

More Information

4L80E/4L85E Actuator Limit Valve Repair Kit. Fixes 6 valve bodies.
Boring tool kit with oversize valve and new springs. Corrects - low line pressure,
clutch burn up, wrong gear starts, neutrals on 4th.

Use with 46930-HD2 shift kit. Replaces electronic pressure control.

Transgo Shift Kit

Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding.

4L80E transmission valve body plate replaces all 1991-2008
Comes with complete, easy to follow instructions.