1978 Transmission Crossmembers - THM400 Transmission Manufacturer Code - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770282

Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770282

Transmission Crossmembers, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: SUM-770282

4.89 out of 5 stars ( 19 )

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Summit Racing™ Dual-Exhaust Transmission Crossmembers for 1975-1981 CAMARO, FIREBIRD, 1975-1979 NOVA - SUM-770317

Crossmember, Transmission, Steel, Black, GM, TH400/200-4R, Each

Part Number: SUM-770317

4.79 out of 5 stars ( 24 )

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Stifflers Suspension Transmission Crossmembers for 1953-1979 F-100, 1975-1979 F-150 - TCB-FT03

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Each

Part Number: IVP-TCB-FT03

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Hooker LS Engine Swap Transmission Crossmembers 12644HKR-1

Transmission Crossmembers, LS Engine Swap Transmission Crossmembers, Steel, Black Powdercoated, Automatic, Buick, Chevrolet, GMC, Olds, Pontiac, Each

Part Number: HOK-12644HKR-1

3.0 out of 5 stars ( 1 )

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Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770373

Transmission Crossmember, Steel, Chevy, B-Body, TH400, 200R4, Each

Part Number: SUM-770373

5.0 out of 5 stars ( 2 )

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Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770303

Crossmember, Transmission, Steel, Black, GM, TH400, Includes SUM-770307, Each

Part Number: SUM-770303

4.84 out of 5 stars ( 19 )

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Summit Racing™ Transmission Crossmembers SUM-770581-R1

Transmission Crossmember, Steel, Black Powdercoated, 73-87 Chevy, GMC, C-10, TH350, TH400, Powerglide, 700R4, Each

Part Number: SUM-770581-R1

5.0 out of 5 stars ( 5 )

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Doug's Headers Engine Swap Transmission Crossmembers for 1970-1981 CAMARO, FIREBIRD - SKC104

Crossmember, Transmission, Steel, Black, LS Swap, Chevy, Pontiac, Kit

Part Number: DOU-SKC104

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trans-Dapt Performance Crossmembers 6422

Transmission Crossmember, LS Swap, Steel, Black, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: TRD-6422

2.0 out of 5 stars ( 1 )

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Classic Performance Transmission Crossmembers CP90171

Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, TH350, TH400, Powerglide, 700R4, Each

Part Number: CLP-CP90171

3.66 out of 5 stars ( 41 )

Estimated Ship Date: Today

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Hooker Blackheart Transmission Crossmembers for 1970-1981 CAMARO, FIREBIRD - 12616HKR-1

Transmission Crossmember, Steel, Black Hammertone, Auto, Manual, Chevy, Each

Part Number: HOK-12616HKR-1

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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American Powertrain X-Factor Crossmembers for 1975-1981 CAMARO, FIREBIRD - XFGM-10103M

Transmission Crossmembers, American X-Factor Crossmembers, Aluminum, Silver Powdercoated, Chevy, Pontiac, Each

Part Number: AWR-XFGM10103M

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

American Powertrain X-Factor Crossmembers XMGM-20013

Transmission Crossmember, X-Factor, Aluminum, Black Powdercoated, Adjustable, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: AWR-XMGM-20013

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

TCI Transmission Crossmembers 953003

Crossmember 1967-86 GM C-10

Part Number: TCI-953003

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today