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Home > Products > Transmissions > TH400 > TURBO 400 SUPERCASE

T400 SuperCase
® Transmission Case


Awarded SEMA's Best New Racing & Performance Product for 2013


The new cast aluminum T400 SuperCase is the result of over 2 years of development. Designed in-house at ATI, and cast here in the USA, and machined at ATI on 4-Axis Horizontal CNC machines, the T400 SuperCase features improved fluid pathways to assure better performance and will accept any of ATI’s SFI bellhousings, along with the Reid bell (with slight modifications) and Browell cans.

Chevy, Ford, Mopar and Toyota bellhousings available
T400 Spec Sheet (PDF)

Photos:


T400 SuperCase shown below with available Ford Bellhousing and optional powdercoating

Features:

Heavy-duty 356-T6 cast aluminum case meeting SFI 4.1 specs with no internal or external shield needed
Made in the USA and machined in-house at ATI using only two fixturing set-ups to provide optimum accuracy
Accepts OEM pans, extension housings and 99% of all stock internal components
 
CNC machined minimum depth valve body passages yield extremely fast transbrake releases and quicker shift times
Dual pattern bell mount accepts ATI Super Bells for many engines and other bells on the market
Features additional center support lugs to provide additional 2nd gear strength, with a modified pressure plate supplied
 
Provisions for three extra bolts added to help secure the center support and intermediate pressure plate
Increased thickness extension housing/output shaft bearing area provides extra support for 4x4 units
Roller bearing for output shaft (bushing available by request)
Cooler lines are 1/4" NPT to accept PG quick-connect lines and other popular cooler hoses and fittings

Description
Part Number
Price
ATI T400 SUPERCASE - Chevy Bell and Transmission Case
400011
$1549.00
ATI T400 SUPERCASE - Chevy Bell and Transmission Case - Lightweight case - saves 2 lbs
400011LW
$1649.00
ATI SUPERCASE - TH400 - Case Only
400013
$1349.00
ATI SUPERCASE - TH400 - Case Only Lightweight case - saves 2 lbs
400013LW
$1449.00
ATI SUPERCASE - TH400 - Tailhousing w/ roller bearing - OEM Length
401935
$199.00
ATI SUPERCASE - TH400 - Tailhousing w/ roller bearing - PG Length
401936
$219.00
ATI SUPERCASE - TH400 - Case bearing
983044
$29.95
ATI SUPERCASE - BOLT KIT - ATI BELL TO CASE - 6 BOLTS, 6 SERRATED WASHERS
950320
$11.95

 
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