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Automatic Transmission Cases

The gearset of your automatic transmission is surrounded by a protective case made of iron or aluminum. Corrosion or damage may require a replacement for your stock...

The gearset of your automatic transmission is surrounded by a protective case made of iron or aluminum. Corrosion or damage may require a replacement for your stock case, and if you’re making upgrades for competition, you may need a beefed-up case for safety.

Top Brands

Stabilizing your high-performance engine is an important job, so you should go with a name brand you trust, instead of some third-party reseller. Summit Racing Equipment sells rocker arm stud girdles from manufacturers like COMP Cams, Harland Sharp, Trick Flow Specialties, Lunati, Howards Cams, and more.

The gearset of your automatic transmission is surrounded by a protective case made of iron or aluminum. Corrosion or damage may require a replacement for your stock case, and if you’re making upgrades for competition, you may need a beefed-up case for safety.

Top Brands

Stabilizing your high-performance engine is an important job, so you should go with a name brand you trust, instead of some third-party reseller. Summit Racing Equipment sells rocker arm stud girdles from manufacturers like COMP Cams, Harland Sharp, Trick Flow Specialties, Lunati, Howards Cams, and more.

Individual Parts

Results 1 - 25 of 225

Automatic Transmission Case, Powerglide, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-2505

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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OFFROAD TRANSMISSION CASE

Part Number: REI-SH400OFF

5.0 out of 5 stars ( 3 )

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Automatic Transmission Case, Super Hydra 400, Aluminum, Natural, SFI 4.1, GM TH400, Each

Part Number: REI-SH400DRAG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2025 if ordered today

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Estimated Ship Date: May 27, 2025 if ordered today

Automatic Transmission Case, Aluminum, Natural, GM, Powerglide, Each

Part Number: REI-PG1500R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Powerglide Case, Superglide, 2-Piece, Permanent Mold Aluminum Casting, SFI 4.1 Certfied, Each

Part Number: REI-PG2000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Powerglide Case, Superglide, 2-Piece, With Roller Bearing, Permanent Mold Aluminum Casting, SFI 4.1 Certfied

Part Number: REI-PG2000R

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

Automatic Transmission Case, TH400, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-4072

Not Yet Reviewed

Estimated Ship Date: May 5, 2025 if ordered today

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Estimated Ship Date: May 5, 2025 if ordered today

Automatic Transmission Case, Aluminum, Natural, GM, Powerglide, Each

Part Number: REI-PG1500

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Automatic Transmission Case, Super 80, GM 4L80E, SFI 4.1, Each

Part Number: REI-S80

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 19, 2025 if ordered today

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Estimated Ship Date: May 19, 2025 if ordered today

Automatic Transmission Case, Aluminum, Natural, TH400, GM, Each

Part Number: ATI-400011

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Transmission Case, Ultra-Case Powerglide, Aluminum, Natural, SFI 4.1 Rating, Each

Part Number: JPT-92310

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

PG, SUPER CASE W/ BRG FOR PG OUTPUT W/ SMALL PARTS, NO BELL, GEN2

Part Number: ATI-ATI200013B-N

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2025 if ordered today

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Estimated Ship Date: Apr 28, 2025 if ordered today

350 - SUPER CASE - W/ CHEVY BELL - T350

Part Number: ATI-350011

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

350 - SUPER CASE - W/ CHEVY BELL - BAND VERSION - T350

Part Number: ATI-350111

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Automatic Transmission Case, Aluminum, Natural, TH400, GM, Each

Part Number: ATI-400013

Not Yet Reviewed

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Automatic Transmission Cases, SuperCase, SFI Rated, with Chevy Bellhousing, No Band/Governer, Aluminum, Natural, TH350, GM, Each

Part Number: ATI-350011NG

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Auto Trans Bell Housing

Part Number: ADO-24255549

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Auto Trans Case

Part Number: ADO-24238308

Not Yet Reviewed

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CASE ASM-A/TRNS

Part Number: ADO-24275994

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CASE ASM-A/TRNS

Part Number: ADO-24273111

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350, SUPER CASE, NO BELL, NO GOV OR BAND

Part Number: ATI-ATI350013NG

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

PG, SUPER CASE W/ SMALL PARTS, NO BELL, GEN2

Part Number: ATI-ATI200013-N

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

SUPER CASE, BELL ONLY, PART OF NISSAN VR38 ADAPTER KIT SFI

Part Number: ATI-ATI915138

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

350 - SUPER CASE - NO BELL - T350

Part Number: ATI-350013

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

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