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Home > Products > Transmissions > SuperCase Transmission Cases
 


Shown with optional powdercoating
& Ford Bell option on T400
SuperCase® Transmission Case

The SuperCase is an SFI certified transmission case for Powerglide, Turbo 400 and Turbo 350 transmissions. The case, bellhousing, and tailhousing are cast from 356T6 cast aluminum. Developed to eliminate all weak points found in the original GM transmission cases, the rugged ATI SuperCase and bell housing are SFI approved for competition, and feature a steel safety inner liner that weighs only 29 ounces—eliminating the need for any external shields. In addition, the SuperCase features a removable bell housing that bolts directly to the transmission case instead of the pump bolt locations, and has been engineered to accept all internal Powerglide, Turbo 400 or Turbo 350 components.

Powerglide SuperCase
T400 SuperCase | Spec Sheet (PDF)
T350 SuperCase
Direct Fit SFI Bells

SuperCase Weights (lbs)
Description
Weight
  Description
Weight
PG Case, Liner, Hardware
Chevy Bell
Heavy Duty Chevy Bell
Ford SB Bell 157
Ford SB Bell 164
Ford BB Bell
Mopar SB Bell
18.5
8
11.5
10
11
13
11
  Mopar BB Bell
Mod Motor Bell
5.0L Coyote Bell
PA Adapter Plate
JW Adapter Plate
PA FE Bell
Toyota Bell
11
8.9
8.9
4
4
23
10.4

Powerglide SuperCase and Bell Dimensions
 Bell Housing
Part #
Bell Depth
Length of trans with SuperCase
Bell to Pad distance
CHEVY
200014
6.350"
28.000"
1.000"
SB FORD / 157 T FP
200018
6.150"
28.395"
0.800"
SB FORD / 164 T FP
200021
6.205"
27.855"
0.855"
BB FORD / 164 T FP
200025
6.460"
28.110"
1.110"
FORD MOD MOTOR
200007
6.520"
28.170"
1.170"
SB MOPAR/GEN III HEMI
200023ML
6.800"
28.450"
1.450"
BB MOPAR
200016M
6.815"
28.465"
1.465"
TOYOTA
200028
6.745"
28.395"
1.395"


Chevy - SuperCase Packages sold seperately - as not Part of an ATI Tranmission Build
Applications
Part #
Price
ATI SUPERCASE - PG - Chevy Bellhousing and Transmission Case
200011
$879.00

Mopar (Dodge, Plymouth Chrysler) - SuperCase Packages sold seperately - as not Part of an ATI Tranmission Build
Applications
Part #
Price
ATI SUPERCASE - BB Mopar Bellhousing and PG Transmission Case *
200017-6
$1349.00
ATI SUPERCASE - BB Mopar Bellhousing and PG Transmission Case *
200017-8
$1349.00
ATI SUPERCASE - SB Mopar Bellhousing and PG Transmission Case
200024
$1325.00
ATI SUPERCASE - Mopar - 5.7L / 6.1L HEMI Bellhousing and PG Transmission Case
200027
$1325.00
ATI SUPERCASE - PG - Race ready with Mopar Bell & SCS-30 - Requires Deep Pan (add $90 fro Pro Brake)
--
Call
CHRYSLER 6 BOLT KIT
951471-6
$10.00
* Includes SFI Internal balance flexplate, crank adapter and bolts. Add $25 for external balance flexplate.

Ford - SuperCase Packages sold seperately - as not Part of an ATI Tranmission Build
Applications
Part #
Price
ATI SUPERCASE - SB Ford (157 Flexplate) Bellhousing and PG Transmission Case *
200019
$1349.00
ATI SUPERCASE - SB Ford (164 Flexplate) Bellhousing and PG Transmission Case *
200022
$1349.00
ATI SUPERCASE - BB Ford (164 Flexplate) Bellhousing and PG Transmission Case - Internally Balanced
200026IN
$1349.00
ATI SUPERCASE - BB Ford (164 Flexplate) Bellhousing and PG Transmission Case - Externally Balanced
200026EX
$1325.00
ATI SUPERCASE - Ford Mod Motor Bellhousing and PG Transmission Case *
200008
$1349.00
* Includes SFI Internal balance flexplate, crank adapter and bolts. Add $25 for external balance flexplate. For 28oz & 50oz external balance applications, contact your Sales Tech.

Toyota - SuperCase Packages sold seperately - as not Part of an ATI Tranmission Build
Applications
Part #
Price
ATI SUPERCASE - PG - Toyota Supra 2JZ Bellhousing and PG Transmission Case
200029
$1349.00
ATI SUPERCASE - Toyota Bellhousing Only
200028
$349.00
BOLT KIT - ATI Bellhousing to Toyota Engine
950265
$14.95


Powerglide SFI SuperCase Components and Accessories
Applications Part # Price
ATI SUPERCASE - PG - Extension Housing for standard PG Output for 1.500" Yoke 200031 $139.00
ATI SUPERCASE - PG - Extension Housing for TH400 Output Shaft 200032 $229.00
ATI SUPERCASE - PG - 28" Extension Housing without Snap Ring for seal 200033 $109.95
ATI SUPERCASE - PG - Case Only - includes Liner and small parts 200013 $679.00
ATI SUPERCASE - PG - Case Only - with Bearing installed for PG Output - includes Liner and small parts 200013B $769.00
ATI SUPERCASE - PG - Case Only - with Bearing installed for T400 Output - includes Liner and small parts 200013BT4 $779.00
ATI SCS-30 - PG - Installed on SuperCase 925000 $749.00
ATI SUPERCASE & SCS-30 - PG - with Chevy Bell & SCS-30 - Requires Deep Pan 200009 $1399.00


T400 SFI SuperCase Packages Components and Accessories
Description Part # 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 $1495.00
ATI SUPERCASE - TH400 - Case Only Lightweight case - saves 2 lbs 400013LW $1495.00
ATI SUPERCASE - TH400 - Case w/Reid bell Pattern Machine Casting 400013MBP $1495.00
ATI SUPERCASE - TH400 - Tailhousing w/ roller bearing - OEM Length 401935 $199.00
ATI SUPERCASE - TH400 - Tailhousing w/ roller bearing - PG Length 401936 $219.00
EXTENSION HOUSING BUSHING - NEW OEM REPLACEMENT 401931 $79.99
ATI SUPERCASE - BOLT KIT - ATI BELL TO CASE - 6 BOLTS, 6 SERRATED WASHERS 950320 $11.95






ATI's T350 SuperCase with SFI Bell
and roller bearing extension housing

T350 SFI SuperCase

ATI's SFI Certified T350 SuperCase is cast in America and machined in-house! The T350 SuperCase features many upgrades to meet the high performance demands of current racers from bracket racers on up to late model Factory Stock cars!

  • 356-T6 Permanent Mold Aluminum Casting meets SFI 4.1 - no shield or blanket required
  • CNC machined valve body passages yield extremely fast transbrake release and quicker shift times
  • Increased thickness extension housing and bell flange area to ward off breakage
  • Stronger internal lugs and more material to allow room for more clutches
  • Custom valve body passages can be made to order for builders with specific requirements
  • Band adjuster version for non-GM internal components
  • Retains OEM Governor cavity for auto shift applications
  • Also available with no Governor or Fwd band machine work 

 

T350 SFI SuperCase Packages Components and Accessories
Description Part # Price
ATI T350 SFI SUPERCASE - Chevy Bell and Case 350011 $1495.00
ATI T350 SFI SUPERCASE - Chevy Bell and Case - Band Version 350111 $1549.00
ATI T350 SFI SUPERCASE - T350 - Case Only 350013 $1295.00
ATI T350 SFI SUPERCASE - T350 - Case Only - Band Version 350113 $1349.00
OEM 6" Extension Housing 351930 $59.95
ATI T350 SFI Extension Housing with Bushing $199.00

ATI T350 SFI Extension Housing with Roller Bearing $209.00

ATI T350 SFI Extension Housing with Bushing and T400 Output 351936 $199.00
ATI T350 SFI Extension Housing with Roller Bearing and T400 Output $219.00
Extension Housing Seal, 400 Output size 973012 $14.95




ATI's Direct Fit Bells feature a machined indicating
lip to ensure proper location on machined OEM cases
Direct Fit SFI Bell Housings
The perfect option for racers who prefer to run an OEM case. These new bellhousings are SFI 30.1 certified and are made from 356-T6 permanent mold cast aluminum. All ATI bellhousings are made in the USA. Our Direct Fit Bellhousings are available for the T350, T400, Powerglide and the Metric T200. The Standard version is designed to bolt on to the face of the pump and the case finish is not as critical. The Direct Fit version is designed to actually indicate on the outside diameter of the pump and precise machining is required. ATI can prep your case for you if ordering a Direct Fit Bell. Consult your Sales Technician for more information.



Description Part # Price
ATI PG - SFI CHEVY BELL HOUSING - BOLT ON - OEM CASE 200045 $339.00
ATI PG - SFI CHEVY BELL HOUSING - DIRECT FIT - MODIFIED OEM CASE 200045A $339.00
ATI PG - SFI CHEVY BELL HOUSING GASKET 200045G $4.49
ATI T350 / T400 - SFI CHEVY BELL HOUSING - BOLT ON - OEM CASE 200044 $329.00
ATI T350 / T400 - SFI CHEVY BELL HOUSING - DIRECT FIT - MODIFIED OEM CASE 200044A $329.00
ATI T350 / T400 - SFI CHEVY BELL HOUSING GASKET 200044G $4.49
ATI METRIC T200 - SFI CHEVY BELL HOUSING - BOLT ON - OEM CASE 200046 $339.00
ATI METRIC T200 - SFI CHEVY BELL HOUSING - DIRECT FIT - MODIFIED OEM CASE 200046A $339.00
ATI METRIC T200 - SFI CHEVY BELL HOUSING GASKET 200046G $4.49


SuperCase Hardware
Description Part # Price
STUD KIT - SUPERCASE TO BELL 950263 $25.00
COOLER LINE FITTING FOR SUPERCASE - 1/4" NPT MALE TO -6 AN MALE 960002 $8.95
STUD KIT - SUPERCASE TO BLOCK 950264 $29.95
STUD KIT - BELL TO T400 SUPERCASE - 6 BOLTS & 6 SERRATED WASHERS 950320 $11.95
BOLT SPACER - CHEVY BELL - SUPPLIED WITH #200014 200014S $2.65



SuperCase Bell Packages
Include Bell, Flexplate, Adapter and hardware. Option pricing available when purchased as part of complete ATI transmission.
Application Part # Option Price Full Price
SB MOPAR - BELL PACKAGE
202800
$450 $650
SB MOPAR,HEMI GEN III - BELL PACKAGE
202801
$450 $650
BB MOPAR, 6-BOLT - BELL PACKAGE
202802
$450 $650
BB MOPAR, 8-BOLT - BELL PACKAGE 202803 $450 $650
SB MOPAR, GEN III BELL PACKAGE - DUAL STARTER POCKETS - T400 ONLY 202804 $650 $775
SB FORD, 157T - BELL PACKAGE 202810 $450 $650
SB FORD, 157T - BELL PACKAGE - EXTERNAL BALANCE 28OZ 202810-28 $450 $650
SB FORD, 157T - BELL PACKAGE - EXTERNAL BALANCE 50OZ 202810-50 $450 $650
SB FORD, 164T - BELL PACKAGE 202811 $450 $650
SB FORD, 164T - BELL PACKAGE - EXTERNAL BALANCE 28OZ 202811-28 $450 $650
SB FORD, 164T - BELL PACKAGE - EXTERNAL BALANCE 50OZ 202811-50 $450 $650
SB FORD, MOD MOTOR - BELL PACKAGE 202812 $450 $650
BB FORD, 164T INT - BELL PACKAGE 202813 $475 $650
BB FORD, 164T EXT - BELL PACKAGE 202814 $475 $650
FORD 5.0L COYOTE - BELL PACKAGE 202815 $650 $650
TOYOTA SUPRA - BELL PACKAGE - Requires custom ATI Converter 202820 $450 $650




SFI Bellhousings and Accessories
 
Part #
Applications
Price
200014
Chevy Bellhousing (only) for ATI SuperCase
$269.00
200014HD
Chevy Bellhousing (only) for ATI SuperCase
$269.00
200014+1
Chevy Bellhousing - 1" Deep Bell for Lock Up applications
$349.00
200007
ATI Ford Mod Motor - Bellhousing
$339.00
200025
BB Ford Bellhousing for 164 tooth Flexplate
$339.00
200018
SB Ford Bellhousing for 157 tooth Flexplate
$339.00
200021
SB Ford Bellhousing for 164 tooth Flexplate
$339.00
200016M
BB Mopar Bellhousing for ATI SuperCase
$349.00
200023ML
SB Mopar and new HEMI Bellhousing for ATI SuperCase
$349.00
200028
Toyota Supra Bellhousing for ATI SuperCase
$349.00
915132
Chevy Bellhousing (only) modified for Toyota 1FZ-45 Adapter kit
$289.00
915126
Adapter ring - ATI T400 SuperCase to Reid SB Chrysler dual starter pocket Bell - HEMI Gen III 5.7L, 6.1L and 6.4L
Call
915137
Adapter ring - ATI Bell to 4L80E / 4L85E - Case and pump machine work required
$279.00
915139
Adapter ring - ATI Bell to 4L65E
$259.00

 
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