1978 Chassis Components

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 )

Estimated Ship Date: Today

Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Red Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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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Transmission Crossmember

Part Number: UPI-3108-B

Not Yet Reviewed

Estimated Ship Date: Today

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Transmission Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Part Number: HOK-BHS548

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Frame Rail, Driver Side, Rear, Steel, EDP Coated, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: GMK-4062770781L

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crossmember, Transmission, Steel, Black, GM, TH350, Chevy, Each

Part Number: SUM-770321

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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

Part Number: HOK-12614HKR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Crossmember, Steel, Chevy, B-Body, 700R4, 4L60E, Each

Part Number: SUM-770372

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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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Engine Crossmember, Steel, Engine Swap, 24 in. to 37 in. Wide Frame Rails, Ford, Small Block/351C, Kit

Part Number: TRD-4849

4.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Transmission Frame Extension, Steel, Black, GM G-body, Automatic, Manual, Each

Part Number: SUM-770307

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

Transmission Crossmember, Steel, Black Powdercoated, Chevy, 4L80E, 4L85E, Each

Part Number: SUM-770352

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Crossmember, Rear, Bolt-on, Steel, Black, Jeep, Each

Part Number: CWA-J8127711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Oversize $7.99

Crossmember GM F2 Late 1975-81 TKO/TKX

Part Number: IST-XMG-00800

Not Yet Reviewed

Estimated Ship Date: Today

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Frame Reinforcement Plates, Stiffeners, Rear, Steel, Natural, Jeep, CJ, Pair

Part Number: RBF-RB1006

Not Yet Reviewed

Estimated Ship Date: Today

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Transmission Crossmember, Bare Steel, Dual hump, Ford, Fox Body, Kit

Part Number: SUM-770329

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Chassis Stiffeners, Frame Rail to Crossmember Braces, Front, Steel, Black Powdercoated, Chevy, GMC, Pair

Part Number: ART-11369550

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: SUM-770320

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Subframe Connectors, Weld-on, Steel, Natural, Chevy, Pontiac, Kit

Part Number: DSR-010103DS

Not Yet Reviewed

Estimated Ship Date: Today

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Strut Braces, Rear Upper, Red Powdercoated, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-3055-R

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Subframe Connectors, Chevy, Not for Convertibles, for Use with Factory Subframe, Pair

Part Number: HDT-RC-122

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: TRD-6422

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Crossmember, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, 4L80E, 4L85E, Each

Part Number: SUM-770351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Shock tower brace, rear 1978-1987 G-Body

Part Number: BMR-STB462R

Not Yet Reviewed

Estimated Ship Date: Today

• Oversize $7.99