TransGo SHIFT KIT Valve Body Repair Kit - GM TH400 / TH425 600SB042R Our Billet distributors ship with

Our Billet distributors ship with Ignitor II modules factory installed

you'll need to push your engine to the limit

02-13 Suburban/Yukon XL 5

Full sweep provides increased accuracy

TransGo SHIFT KIT Valve Body Repair Kit - GM TH400 / TH425 600SB042R Our Billet distributors ship withComponents to address soft late shifts, 3rd clutch burn up, rough 1 2, excess passing gear and late shifts. Product Description: Automatic Transmission Shift Kit SHIFT KIT Valve Body Repair Kit Gaskets Separator Plate Springs GM TH400 TH425 From stock type replacement parts to substantial performance upgrades, TransGo offers kits and components to make automatic transmissions shift better, handle more power, and improve reliability. TransGo produces