1978 Chassis Components

X-Factor Aluminum Cross Member, 1975-81 F-body to the following transmissions: TKO, Magnum, T56, Muncie, T10,

Part Number: AWR-XFGM10103M

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Front Crossmembers, Replacement, Transmission Crossmember, Steel, Natural Finish, 33.1 in. Long, with Hardware, Welding required, Chevy, Each

Part Number: RBF-RB7364

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Frame Rails, Forward, Frame Section, Front Leaf Spring Mount, Steel, Natural, Jeep, Each

Part Number: RBF-RB1012

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Trailing Arm Brackets, Lower, 3.00 in. Tubing Diameter, Steel, Natural, Weld-on, Pair

Part Number: PE2-HMBLMULTI

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Engine Crossmember, Steel, Engine Swap, 28 in. to 38 in. Wide Frame Rail, Ford, Big Block 385 Series, Kit

Part Number: TRD-9313

3.5 out of 5 stars ( 2 )

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Subframe Connectors, Weld-On, Steel, Natural, Chevy, Pontiac, Pair

Part Number: CEE-3016

3.0 out of 5 stars ( 2 )

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Rear Crossmembers, Crossmember Support, Spare Tire, Weld-On, Steel, Natural Finish, 31.2 in. Long, Hardware included, Chevy, Each

Part Number: RBF-RB7362

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Trailing Arm Brackets, Lower, 3.00 in. Tubing Diameter, Steel, Natural, Bolt-on, Pair

Part Number: PE2-S0181

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Transmission Crossmember, Camaro, Firebird, 2nd Gen, T56, T56 Magnum Trans, Each

Part Number: HOK-71222006HKR

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Rear Crossmember, Fuel Tank Crossmember, Steel, Natural, Weld-on, Jeep, Each

Part Number: RBF-RB1010

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Engine Crossmember, Steel, Engine Swap, 24 in. to 37 in. Wide Frame Rails, Chevy, Big Block Mounts, Kit

Part Number: TRD-4841

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Frame Rails, Replacement, Rear Mid-Frame Section, Right/Passenger Side, OEM Style, Steel, Natural, Weld-In, Chevy, GMC, Each

Part Number: RBF-RB7378R

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Frame Rails, Replacement, Leaf Spring Frame Section, Left/Driver Side, OEM Style, Steel, Natural, Weld-In, with Hardware, Chevy, GMC, Each

Part Number: RBF-RB7354L

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Estimated Ship Date: Jan 29, 2026 if ordered today

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GM Metric Chassis Trailing Arm Bracket Kit, Multi-Hole Lower, Steel, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: AAF-ALL60054

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Frame Rails, Replacement, Leaf Spring Frame Section, Right/Passenger Side, OEM Style, Steel, Natural, Weld-In, with Hardware, Chevy, GMC, Each

Part Number: RBF-RB7354R

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Frame Cover, Rear, Stainless Steel, Polished, Jeep, Each

Part Number: RGG-1112004

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Frame Rails, EZ Slip Design, Frame Repair, Rear Center Section, Left Side, Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7355L

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Frame Rails, EZ Slip Design, Frame Repair, Rear Center Section, Right Side, Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7355R

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Trailing Arm Mount Braces, Tubular, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-5210

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Frame Rails, Frame Repair, Rear Over-Axle, Left Side. Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7353L

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Frame Rails, Frame Repair, Rear Over-Axle, Right Side. Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7353R

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Frame Rails, EZ Slip Design, Frame Repair, Rear Center Section, Left Side, Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7356L

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Frame Rails, EZ Slip Design, Frame Repair, Rear Center Section, Right Side, Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7356R

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Crossmember GM K10/Suburban 1973-87 TR-4050

Part Number: IST-XMG-03820

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Frame Rails, EZ Slip Design, Frame Repair, Front Section, Left Side, Steel, 0.181 in. Thick, Natural Finish, Weld-On, Chevy, Each

Part Number: RBF-RB7357L

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Estimated Ship Date: Jan 29, 2026 if ordered today

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