Popular Performance Parts

Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

Sonnax

4L80E TH400 Extreme Duty Forward Clutch Hub Kit

Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub

Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax

Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Aftermarket

4L80E Performance KOLENE® Steel Module (1991-UP)