SHIFT KIT® Valve Body Repair Kit Fits all 400 1965-on
Reprogramming Kit™ with Gear Command™ Fits all 400 1965-on
Reprogramming Kit™ with Manual Shift Control Fits all 400 1965-on
Reverse Cushion Kit Fits all 400 1965-on Does not fit 4L80E
Vacuum Bypass Kit Fits TH350/C, TH250/C, TH400, 3L80, TH375, C4, C5, C6 Also fits 4L60/65E when using 46-MOD and 4L80/85E when using 48-MOD
