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Drivetrain› Automatic Transmissions and Components

FTI Performance

FTI TH400 Transmission - Level 3 - 800HP Rated - Reverse Pattern - GM Ultrabell

$3,498.75 $3,125.00 Save $373.75

SKU: F069 TH400-3RUB

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This is a Level 3 racing transmission from FTI Performance, rated for 800 HP. It's designed for street/strip applications and features a full manual reverse pattern valve body, an SFI-certified Ultrabell bellhousing, and a race-prepped factory case. Key components also include a short output shaft, performance red race clutches, and a deep aluminum pan.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFTI Performance
Part NumberF069 TH400-3RUB

Videos

FTI Transmission Installation How To

FTI Transmission Installation How To
Mountains Garage: FTI Level 3 TH400 Modifications

Mountains Garage: FTI Level 3 TH400 Modifications
PRI 2022 Product Feature: FTI Has New Level 4 TH400 Transmission Kits Made Just for Big-Power Motors

PRI 2022 Product Feature: FTI Has New Level 4 TH400 Transmission Kits Made Just for Big-Power Motors
TH400: How To Recipe for 800-1000HP

TH400: How To Recipe for 800-1000HP
FTI TH400 Level 4

FTI TH400 Level 4
TH400 Transmission Build: Part 1 - Disassembly & Inspection

TH400 Transmission Build: Part 1 - Disassembly & Inspection
Monster Transmission & Performance TH400 Overhaul Kit Installation

Monster Transmission & Performance TH400 Overhaul Kit Installation
FTI Performance XRP Series Torque Converter Review

FTI Performance XRP Series Torque Converter Review
TH400 Transmission Build: Part 2 - Assembly

TH400 Transmission Build: Part 2 - Assembly

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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