Master rebuild box kit for the 1965-UP GM TH400 automatic transmission.
This master overhaul rebuild kit includes:
Transtec overhaul gasket set
BorgWarner friction clutch plates
New fluid filter
Adjustable vacuum modulator
Front overrun band
Bushings for the pump and case
The Transtec overhaul gasket set contained within this kit includes every rubber seal, gasket, o-ring, metal clad seals, and Teflon sealing rings that you'll need to complete your rebuild. Transtec is the highest rated kit available and used by most rebuild shops.
Additionally, you can add the following transmission upgrades and options to this kit:
Raybestos Steel plates - *Pictured
Reverse band – *Pictured – Red lined, Kevlar, or BorgWarner High Energy
ATSG Rebuild Manual
Full bushing set
Thrust washer kit
Low roller clutch
Intermediate one-way clutch – roller style, or 34 element sprag (requires pre 1970-drum)
Aluminum accumulator piston – replace plastic type
Kickdown case connector
TCS Billet Steel Forward Clutch Hub
Assembly Grease - Lubegard, Life Smart Blend, or Transjel
Platinum Lubegard - Insider tip: Many shops use this synthetic supplement in every freshly rebuilt transmission to keep them on the road past the warranty.
Cooler Line Flush – Lubegard, Brand-One
The kit works with all GM, GMC, Cadillac, Chevrolet, Buick, Oldsmobile, and Pontiac
Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them.
This transmission is part of the Turbo-Hydramatic series and also know by: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD, ST400, ST-400.